I use in 243 Win and 6.5 CM. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. The IMR Enduron line is similar to Hodgdon's Extreme Extruded line, in that it is temperature insensitive. works great in many cartridges with good to great accuracy. Hodgon VARGET, IMR 3031, IMR 4064, IMR 4166 Enduron, IMR 4831, IMR 4895, Lovex D073.6, Lovex S060, . IMR 4166 possesses the fastest burn rate in the Enduron lineup. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. Powders include IMR These short-grain, extruded powders will deliver temperature insensitive quality while keeping copper residue to a minimum. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. Will purchase more. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. The responsible reloader always errs on the side of caution, so I decided to stop there. var _gaq = _gaq || []; Select 223 Remington, check off your weights, select IMR, then 4166 I was able ti find a load for two different 55s, a 69, and a 75. Good luck. 7977 is the slowest of the batch, for shoulder thumpers like the .338 Lapua and the .470 Nitro Express. (The only two .45-70's I own are trapdoor Springfields.) })(); To comment on a post, click Post Title or "Comment" Link. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. However, due to the super short kernels, metering is virtually as good as a spherical powder. I haven't seen any Hornady loads in the manual using 4166. - 24hourcampfire Previous Thread Next Thread Print Thread Hop To BP-B2 IC-A B3 IC-B B4 RR1-22 Who's Online Now 828 members ( 10Glocks, 12344mag, 007FJ, 1911a1, 1100mag, 95 invisible), 2,340 guests, and 1,313 robots. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. : (913) 362-9455; E-mail: [emailprotected]; Web: www.imrpowder.com, (Disclaimer: The loads described above were safe for this rifle, on this particular day. Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using both a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. The rifle was placed on the 50 yard line and supported both fore and aft by sandbags. Please help us to improve and report any suggestions via our contact form. . So, I'd use it for loads listed by Hodgdon. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25 F and 140 F. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. Please help us to improve and report any suggestions via our contact form. I hope to get to .5 moa consistently anything better will be nice. the accuracy is the same as varget but the velocity is a bit higher with a couple of 10ths less powder. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). They also produce specialty rounds designed for competition shooting events like . Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. PRBs testers talk about those things, provide a few other insightful views of the data, and discuss tools that can help you manage temp/muzzle velocity in the field in their full post. Using bullets from Nosler BT LF, Barnes VG FB, Nosler BT, SinterFire, Sierra SP, Speer SP, Sierra HP, Barnes TSX FB, Hornady FMJ, Hornady V-Max, Swift Scirocco, Sierra HPBT, JLK VLD, Sierra MK, Berger BT Targ. h4895 Reduced Rifle Load. The maxorder quantity of any powder SKU is. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. This website uses cookies to ensure the best experience possible. PRBs testers explain the full set of equipment and steps in their loading process in the Full Test Report. Find load data for IMR 4350 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4350 is a medium- to slow-burn rate propellant and is the number one choice for the new short magnums, both Remington and Winchester versions. Newtosavage Dec 9, 2020 #9 ericwh Well Known Rokslider Joined Mar 9, 2017 Messages 479 Location PA Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. Case: Winchester; Twist: 1:12 inches; Primer: Federal 210M, Large Rifle Match; Barrel Length: 24 inches; Trim Length: 2.005 inches. However, Alliants relatively new Reloder 16 is an extremely temp-stable powder, with a burn rate that is a close match to H4350. var _gaq = _gaq || []; Be the first to share your insights. The components in question make up my service rifle load in .223 and they are Hornadys 55 grain V-max bullet seated into a Lake City brass case at an OAL of 2.270 and ignited with a Wolf Small Rifle Primer. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. View Product Warning DEALER LOCATOR IMR 4166 was released a few years ago as a temperature insensitive powder that is expected to replace 4064. 5 rounds shot .223 Rem. First ladder turned out great! 3, e-mail Hornady and the powder mfg. It is an extruded powder and is perfect for cartridges like 270 Winchester, 30-06 or 300 Winchester Short Magnum, among others. OAL 2770 Sierra Case OK, we're down to 1/3 MOA with a bit more to go. for 223. ), AR Issue 2022 Gun & Gear Giveaway Contest, Editors Choice Gun & Gear Giveaway Contest, Fall Hunting 2021 Gear & Giveaway Contest, Defensive Handgun Gun & Gear Giveaway Contest, Defensive Handgun Issue Gun & Gear Giveaway, The Hunter to the Hunted: Savage Arms Introduces New 110 Carbon, Wilson Combat 300 HAMR Barrel Conversion, 2022 Editors Choice Award Winning SIG Sauer P322 .22LR, 2022 Editors Choice Award Winning Savage Mo. IMR 7977 is comparable to Hodgdon H1000. _gaq.push(['_setAccount', 'UA-6323545-2']); If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. $40.99 - $270.99. Share your experiences with other customers. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . Share the post "Guide to IMRs Enduron Powders What You Need to Know", Powder Valley Inc. (PVI) now has the new IMR 4166 powder. Hodgdon Powder Co., distributors of Hodgdon, IMR, and Winchester powders, says that: The new IMR Enduron Technology powders will be available at dealers in early 2015 in 1-pound and 8-pound containers. For more information and Enduron LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. Tried their 7977 in a magnum rifle and it had same accuracy as H1000. The main features of the Enduron series are copper . .1 to .2 gr accuracy. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. Thanks, T.B. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. I've had good luck with 8208 with 77gr SMK's and 69gr Nosler Competition Customs Hoon Rating - 100% 1 0 0 Joined Mar 2, 2013 Messages Load data for the new IMR 4166 was taken from Hodgdons 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. Reduced Rifle Loads. Some powders are more affected by changes in temperature than others. Find load data for IMR 4451 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. It is expected to perform well in the .308 Winchester and in 6mm cartridges running the heavier (95-107gr) projectiles. Any gunpowder required by handloaders can be sourced through these brands. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. Load data for the new IMR 4166 was taken from Hodgdon's 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. IMR states that IMR 4166 is a versatile, match grade propellant. The new powder line-up comes in three flavors: 4166, 4451 and 7977. ga.src = ('https:' == document.location.protocol ? The 4166 seemed interestingit matched my motorcycle jacket, but none of my reloading manuals had any data for it (it's that new). Other than that , great job, thanks. First load. IMR 4166 is part of their new Enduron line that launched just a few years back. It also offers good load density and meters reasonably well. Loading density is perfect for magnums, contributing to superb uniformity. This powder is comparable to Hodgdon H4831. For a better experience, please enable JavaScript in your browser before proceeding. Learn more about Enduron powders at www.enduronimr.com. . I can imagine you might have a little more difficulty with case volume and fill ratio due to kernel size. Other than that , great job, thanks. I loaded 23.5 gr in Lapua brass with no trouble using a 10" drop tube: http://www.xxicsi.com/powder-funnel.html No reviews found. Varmint shooters with small-bore cartridges love it. Hodgdon's excellent online reloading data show only IMR 4007SSC, IMR 4166, IMR 8208XBR, and Hodgdon CFE 223 breaking 3,750 fps with a 55-grain bullet in a 24-inch test barrel. . IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". IMR 7977 has the slowest burn rate among the Enduron Technology powders. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. Share the post "IMR Introduces New Enduron Powders: 4166, 4451, 7977". Naturally the next step was to combine the two for a new line of powders. IMR 4166 is one of the new Enduron family of propellants. First, these powders all feature chemistry that reduces copper fouling. For this reason, the IMR brand powders truly are Legendary products. New customer? 110 PCS pistol, 2022 Editors Choice Award Winning Ruger 5.7 LC Carbine, 2022 Editors Choice Award Winning Mossberg 940 Pro Tactical 12-gauge, Fiocchi Introduces New 5.7x28mm Subsonic Ammo, Lehigh Defense 115-gr. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. ARCHIVED. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. You are using an out of date browser. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. It provides top velocities and performance with heavier bullets in medium-sized magnums. Full Member. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. Learn more about Enduron powders at www.enduronimr.com. You are using an out of date browser. 4166 is the fastest burning powder, for cartridges like .223 Remington and .308 Winchester. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. Third, Enduron powders are designed for optimal load density. Find load data for IMR 4227 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4227 is a medium burn speed, magnum pistol propellant. We need to get back to the good old days! Share the post "Cant Find Varget for Sale? Picked up a lb of this stuff to do a little testing with, see if it compares to Varget for accuracy in .223. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). This website uses cookies to ensure the best experience possible. Subscribe to the free newsletter and do not miss any news or promotions. I have enough on hand to last for a while, but when I found some IMR 4166 available, I decided to try it for my MPA .308. Sep 25, 2010 . As with all load development, reference a credible reloading manual, then start at the minimum and work up in small increments. I hope to get some time on the new bull barrel AR. IMR 4166 possesses the fastest burn rate in the Enduron lineup. It was less accurate than 4 other powders. Sounds familiar! Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. At the 2015 Shot Show they did just that and released the IMR Enduron Line. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder". An acronym for. OAL 2770 Sierra Case ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Thread starter cornhusker; Start date Sep 18, 2017; Forums. Share the post "Powder Valley has new IMR 4166 Powder in Stock". UPS has officially stopped shipping guns? Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. I have heard the same criticism from other forum members. CC 300 BLK ($53.49 per box of 20), Law Tactical Gen 3-M AR Folding Stock Adapter, 2022 Editors Choice Award Winning Silencer Central Banish Backcountry Suppressor. Loading density is perfect for magnums. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Being one of the easiest people in the industry to talk to, a secret this guarded certainly sparked my curiosity, so I made sure to order a test sample. * All prices incl. However, to up the ante the Enduron line also utilizes copper fouling reducing technology to help keep your bore free of the hard to remove copper. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. To me that says Gebby got it right long ago. Minuteman. A Meopta MeoStar 1.710x riflescope was mounted to ensure an optimum sight picture. VAT (where applicable), shipping costs and possible delivery charges. As a medium burn speed propellant, XBR is ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC. First used in battle in 1805 by United States naval forces against pirates off the coast of Algiers, DuPont supplied more than 80% of Allied Forces powder needs in World War I. then consider IMR 4166. Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. Optimal load density - Enduron powders provide optimal load density, assisting in maintaining low standard deviations in velocity and pressure, a key feature for top accuracy. 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); You may not reproduce original text or photos without advanced permission in writing. Testing consisted of a single 5-shot group of each incrementmental charge weight just to get a rough feel for the potential of this powder. Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. Thanks, Posted by Phillip Jackson on Aug 1st 2021. [ARCHIVED THREAD] - IMR 4166 .223 Rem. Most powders arent specially formulated to be temperature stable. (SEE: Temperature Effects On Zero on KestrelMeters.com.). IMR is bringing out a new series of advanced-formulation extruded powders. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Then Try IMR 4166 Powder, Powder Temp Stability IMR Enduron vs. H4350 and Varget, http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme, Guide to IMRs Enduron Powders What You Need to Know, Powder Valley has new IMR 4166 Powder in Stock, IMR Introduces New Enduron Powders: 4166, 4451, 7977. IMR 8133 performs comparably to Hodgdon Retumbo but charge weights are materially different. IMR 4166 Enduron Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. At 600 yds, the POI with 4166 loads was about 1.2 MOA higher than when using 43.2 gr. Where to Find IMR 4166 Powder Improved Military Rifle IMR 4166 Improved Military Rifle IMR 4320 Improved Military Rifle IMR 4350 Improved Military Rifle IMR 4451 Improved Military Rifle IMR 4831 Improved Military Rifle IMR 4895 Improved Military Rifle IMR 8208 XBR Improved Military Rifle SR 4759 Ramshot Big Game Ramshot TAC Ramshot X-Terminator Shooters World AR PLUS For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. Reviews can only be submitted while being logged in. I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. The folks at PrecisionRifleBlog.com meticulously loaded 6.547 Lapua ammo with each powder using some of the best equipment available. Not a brand to rest on its laurels, IMR continues to develop new powder formulas that are increasingly insensitive to weather and temperature changes, have improved burn speeds, and contain additives that remove copper bullet jacket fouling. For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). spitzer boat tail & imr 4166, 223 80 gr bullet imr 4166, 223 load with imr 4166, 243 barnes 80 gr ttsx imr 4166 load data, 243 barnes 80gr ttsx imr 4166 load data, 243 barnes ttsx with imr 4166 load data, 243 barns ttsx with imr 4166 . The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. . In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. It is available right now at Midsouth Shooters and Powder Valley in both one-pound and 8-pound containers: For more information and LOAD DATA visit IMRpowder.com and navigate to the Hodgdon Reloading Center. Reloading 223 Rem./5.56mm is mostly the usual routine. For those who ask.I am obviously loading for a 556 NOT a 223. otherwise why mention I would be using only cases marked as 556! Will purchase more. This propellant performs comparably to Hodgdon H4831 but charge weights are materially different. Trim to length as needed, clean/uniform the primer pockets, reprime, charge with powder, verify powder charges, seat bullets to specific overall length, perform final inspection, box, and label. IMR 4451 had the largest swing in muzzle velocity of the powders tested, but keep in mind just 68 fps over 115 F swing is still a good performance. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. These are the first groups with this powder. I paid $159.00 for 8# Varget at Shooters last time I was up there. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Great stuff! IMR 4166 possesses the fastest burn rate in the Enduron lineup. IMR 4166 + 55gr V-Max in 223 Rem tailbon3 Jan 19, 2017 Help Support Long Range Hunting Forum Become a supporting member tailbon3 Well-Known Member Joined Aug 24, 2009 Messages 84 Jan 19, 2017 #1 I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. Taking the rifle back to the workbench for a cleanup proved the claimit had virtually no copper fouling, as proven by the absence of a blue hue in the exiting patch soaked in Sweets 7.62 bore solvent. The Hodgdon powder company is world renowned for introducing revolutionary technology to the reloader. Assuming all other environmental conditions remain the same, an increase in air temperature will cause a flatter trajectory due to a lower air density (easier for the bullet to cut through the air). Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. The pelletized form makes for faster reloads with pre-formed charges that easily drop down the barrel and is easy to pack without the need for measures or funnels. Some of our Forum members have reported excellent results with IMR 4166 in cartridges that work with Varget, such as the 6mmBR, 6 Dasher, 6.547 Lapua, and .308 Win. IMR claims that Enduron powders are not sensitive to temperature changes. Sign up to get updates and access to exclusive promotions. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Very happy with the results. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. _gaq.push(['_setDomainName', '.accurateshooter.com']); The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Be sure to enter theNES/MFS March Giveaway ***Taurus G3c***. If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. It is formulated to reduce fouling and to be stable across a wide temperature range. worst groups at .5 moa most groups around the .3 moa mark. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. bolt reload data with 65 gr. VAT (where applicable), shipping costs and possible delivery charges. This propellant is ideally suited for many mid-range burn speed cartridges. Choose a IMR powder and find the respective load data for it. Anyone seen/tried this combo? Was looking for an equivalent powder from H4895 when I ran into the 4166. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. $49.99 - $357.99 4.48 17 reviews IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Ive heard some say 4166 is similar to 4064, which I haven't used or have on hand currently. IMR 4166 powder? Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. Its a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more. IMR 4451 Another new Enduron powder that gives top performance in the venerable .30-06, 270 Winchester, and 300 Winchester Short Magnum, to name just a few. I've only seen a handful of load data for IMR 4166 and 223, it was 69 Sierra and 77 Sierra. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. IMR 8208 XBR is accurate, clean-burning, and offers good velocity. Find load data for IMR TrailBoss propellant by clicking the button "Loads for this Powder".More about this powder:Find load data for Accurate 5770 propellant by clicking the button "Loads for this Powder".More about this powder:Trail Boss was designed specifically for low-velocity lead bullets suitable for Cowboy Action shooting. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 7977 is a slower burn rate in the Enduron family. This ensured the powder charges were identical for each round of ammo. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. temperature stable too. Temperature change stability the Enduron line is insensitive to temperature changes. Generally no two rifles will like the same exact load. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. Its loading density is perfect for magnum cartridges and contributes to superb uniformity, yielding outstanding performance in 300 Winchester Magnum, 7MM Remington Magnum and .338 Lapua Magnum. Has anyone left switched from 4064 to 4166 without losing accuracy? IMR recently released a new line of powders with Enduron Technology which is also marketed to have extreme temperature stability. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; (function() { They list loads for Sperry SP and Barnes TTSX in 55gr weights. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. In addition, it is a longtime favorite of Match shooters.