Be the first to share your insights. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. worst groups at .5 moa most groups around the .3 moa mark. The manual allows for stiffer charges, but at 25.1 the load begins to compress. Or maybe have QuickLoad data? WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. 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. Sep 25, 2010 . h4895 Reduced Rifle Load. .1 to .2 gr accuracy. The initial heat condition of your powder will affect the burn rate, Bryan Litz explained at a recent Applied Ballistics Seminar. Its a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more. _gaq.push(['_setAccount', 'UA-6323545-2']); 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. Choose from a variety of powders for everything from small-caliber ammo to magnum rifle cartridges in both 1 lb canisters and 8 lb jugs. For info on other IMR powders, visit www.imrpowder.com. Trail Boss is based on new technology that allows very-high loading density, good flow through powder measures, stability in severe temperature variation, and, most importantly, additional safety to the handloader. 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. (5.56 x 45 NATO) .223 WSSM .224 Valkyrie .224 Weath. 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. No reviews found. I hope to get some time on the new bull barrel AR. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. This powder is comparable to Hodgdon H4831. I use this powder in my 6mm dasher bench gun. Good luck. Be Alert: Publisher cannot be responsible for errors in published load data. 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. Varmint shooters with small-bore cartridges love it. The 223 is the most common round. PRBs test team also noticed other interesting trends in the data. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. Shooter's Reference Load Data for .223 Remington .223 Remington - Published Manufacturer Loading Data Shellholders: Hornady #16 Lee #4 Lyman #26 RCBS #10 Recipe Type: Rifle 55,000 PSI STANDARD SAAMI COMMERCIAL SPECIFICATIONS Pistol CUSTOM LONG THROAT Reduced Load Bullet Weight: ALL 30 gr 34 gr 35 gr 36 gr 40 gr 42 gr 43 gr 45 gr 50 gr 51 gr 52 gr You are using an out of date browser. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Weve been quite pleased with IMR 8208 XBR as a Varget alternative. IMR 4166 is one of IMRs Enduron family of propellants. PRBs testers explain the full set of equipment and steps in their loading process in the Full Test Report. As with all load development, reference a credible reloading manual, then start at the minimum and work up in small increments. 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. Second, Enduron powders are all very temp-stable. IMR 4166: This newer propellant produced by General Dynamics in Canada had the best temperature insensitivity and may be the best substitute for Varget across a wide temperature range with 77 to 80 grain bullets. Case: Winchester; Twist: 1:12 inches; Primer: Federal 210M, Large Rifle Match; Barrel Length: 24 inches; Trim Length: 2.005 inches. The IMR 4166 Powder may be on the slow side but will be interesting with heavier bullets. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. I've only seen a handful of load data for IMR 4166 and 223, it was 69 Sierra and 77 Sierra. Please enter your login details below. Versatility with uniformity and accuracy. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. Plain cartridges, in contrast, turned in an average extreme spread of 51 fps. The LabRadar is a new type of device that allows you to measure muzzle velocity within at least +/- 0.1% of the reading. ARCHIVED. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. This powder is comparable to Hodgdon H4350. Learn more about Enduron powders at www.enduronimr.com. Past breakthroughs have brought us the extreme extruded line that gives consistent performance regardless of ambient temperature, and more recently they have brought us CFE technology that deters and reduces copper fouling. Thread starter cornhusker; Start date Sep 18, 2017; Forums. * All prices incl. (SEE: Temperature Effects On Zero on KestrelMeters.com.). Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. 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. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. However, due to the super short kernels, metering is virtually as good as a spherical powder. Cant find Hodgdon Varget on dealers shelves? .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. Share the post "Cant Find Varget for Sale? In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. CLICK HERE to Read Full Powder Temperature Stability Test on Precision RifleBlog.com. 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. var _gaq = _gaq || []; Be sure to enter theNES/MFS March Giveaway ***Taurus G3c***. More about this powder: IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. IMR 4166 possesses the fastest burn rate in the Enduron lineup. That provided two sets of velocity numbers. Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . 44gr 4166 The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. I shot a 4.125", 10-shot group at 600 yds - well under 1 MOA and slightly better than my Varget loads, although they were close enough that I attribute the difference to the shooter. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. 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. IMR 4166 possesses the fastest burn rate in the Enduron lineup. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. OAL 2770 Sierra Case IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. I have had good luck with 4166 in .223 bolt rifles. Reduced Rifle Loads. Learn more about Enduron powders at www.enduronimr.com. I do not see it listed for 40 grain bullets. I hope to get to .5 moa consistently anything better will be nice. I did the usual load development testing and found that 43.0 gr. 5 rounds shot VAT (where applicable), shipping costs and possible delivery charges. Other than that , great job, thanks. IMR 4166 is an extruded stick powder. Hodgon VARGET, IMR 3031, IMR 4064, IMR 4166 Enduron, IMR 4831, IMR 4895, Lovex D073.6, Lovex S060, . Will purchase more. Importantly, it seems to be a good substitute for unobtanium Varget powder. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. Sign up to get updates and access to exclusive promotions. First run tomorrow. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. msinc Many F-Open competitors are now using Reloder 16 with considerable success. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Below you will see today's round robin from 45.0 to 46.4 grains of 4166. The IMR 4166 shows loads for a 69 hpbt. It is expected to perform well in the .308 Winchester and in 6mm cartridges running the heavier (95-107gr) projectiles. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. Tag: IMR 4166 Loading for the AR-15 with the LEE Auto-Drum Powder Measure. Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. Subscribe to the free newsletter and do not miss any news or promotions. IMR 4166 powder? $25.45 2. Whether youre reloading for the first time or an experienced reloader who desires elite powder, IMR is a company that should be on your radar. Has anyone left switched from 4064 to 4166 without losing accuracy? IMRs press release provides these descriptions of the new Enduron propellants: IMR 4166 is the first in the series of Enduron propellants. IMR 7977 is the slowest burn rate Enduron Technology powder. Reloading for 223/556 Service Rifle Competition (NRA/CMP bullseye . Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. 5 rounds shot With no pressure signs up to 45.8 grains of 4166 I decided to push further and see what I could get. If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. 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. This website uses cookies to ensure the best experience possible. spitzer boat tail & imr 4166, .223 rem. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. The new powder line-up comes in three flavors: 4166, 4451 and 7977. Shooters has been keeping it around $20/lb if you buy in quantity. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Are your groups that good ? To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. works great in many cartridges with good to great accuracy. ), 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. PrecisionRifleBlog.com (PRB) recently published results from a field test PRB conducted to quantify the temperature stability of the popular Hodgdon H4350 and Varget powders and compare those to IMRs new Enduron line of powders, specifically IMR 4166 and 4451. Minuteman. Share the post "Guide to IMR Enduron Powders: 4166, 4451, 4955, 7977, 8933". Sounds familiar! I went to the IMR site and it takes you to hodgdon's loading site. I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. 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. 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. Is there a different load data site? then consider IMR 4166. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. Access from your Country was disabled by the administrator. 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). Guide to IMR Enduron Powders Temp Stable, Reduced Fouling, IMR Introduces New Enduron Powders: 4166, 4451, 7977, Guide to IMRs Enduron Powders What You Need to Know, IMR Enduron 8133 New Slow-Burn-Rate Magnum Powder, IMR Powders introduces IMR 4955 Enduron Powder. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. _gaq.push(['_setDomainName', '.accurateshooter.com']); Powders include IMR Please help us to improve and report any suggestions via our contact form. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. bolt reload data with 65gr. (function() { I haven't seen any Hornady loads in the manual using 4166. Anyone seen/tried this combo? For a better experience, please enable JavaScript in your browser before proceeding. Will purchase more. I didn't want to like this stuffI figured I was likely buying marketing hype for $31/lb at my LGS. It was less accurate than 4 other powders. 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. IMR 4166 is part of their new Enduron line that launched just a few years back. So far IMR4166 has worked great for me in the .243 Winchester with light bullets, the .257 Roberts with 75-100 grains bullets, .308 Winchester with 150's and 168's, the .303 British, 8x57 and .45-70 with "low pressure" loads. Trail Boss Reduced Rifle Load. Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. 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. 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. 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 It's been over two years of this ammo & reloading nightmare. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, .264 Win Mag, 28 Nosler and .300 Rem Ultra Mag, among other cartridges. Key: Admin , Global Mod , Mod RR2/3-22 UDG-IP 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. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". First load. So they would likely show much larger swings than what these four top-performing powders showed. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. .223 Rem. Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. They both love it. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. By that, they mean the change per degree from 20 to 65 might be smaller or larger than the change per degree from 65 to 140. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. The accuracy results were almost identical to those of Varget, with my best group coming in at 1.05 MOA from a 24.6-grain charge of 4166not bad for an initial round of load development. When we are sold out, we are sold out. VISIT THE RDC WHITE HOTS White Hots 50/50 is a 50 Caliber, 50 grain pellet for muzzleloaders. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); IMR now offers four Enduron powders that cover a broad range of burn rates. I much prefer IMR 8208 XBR for the 223. flyfisher117 Professional Milk Jug Hunter. These new powders should compete directly with the Hodgdon Extreme Series, which gives shooters more temp-stable powder options to consider. The results were very interesting, to say the least. It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. FPS low 2735 high 2789 Please help us to improve and report any suggestions via our contact form. The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. Each of these are still favorites with handloaders today! I bought all three. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. This Enduron series powder is temp-stable and accurate. We place limited powder inventory for sale on a regular basis on our website. For this reason, the IMR brand powders truly are Legendary products. 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 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. In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. 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. I loaded 23.5 gr in Lapua brass with no trouble using a 10" drop tube: http://www.xxicsi.com/powder-funnel.html This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. bolt reload data with 65 gr. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. It is formulated to reduce fouling and to be stable across a wide temperature range. 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. I'm very happy with this powder. The Rifle: Savage 10fcp, 24" 5r, accustock .308 Win, Vortex Viper PST 4-16 Target distance: 100 yards Shot off front and rear sand bags from a bench IMR recently released a new line of powders with Enduron Technology which is also marketed to have extreme temperature stability. You can find that here: http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Share the post "Powder Temp Stability IMR Enduron vs. H4350 and Varget". This powder is comparable to Hodgdon H4831. It may not display this or other websites correctly. 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. The illuminated reticle made it very easy to see on the black target, and honestly was the first time I have ever had used the feature (now it may be hard to go back). _gaq.push(['_trackPageview']); It acts a whole lot like Varget, but is much easier to find. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. For a better experience, please enable JavaScript in your browser before proceeding. The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. View Product Warning DEALER LOCATOR IMR is an acronym for Improved Military Rifle. (see note 1 ). Cant Find Varget for Sale? I paid $159.00 for 8# Varget at Shooters last time I was up there. The maxorder quantity of any powder SKU is. My factory sierra high 2576 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). var _gaq = _gaq || []; Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. 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). The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). Find load data for IMR 4198 propellant by clicking the button "Loads for this Powder".More about this powder:This fast-burning rifle powder gives outstanding performance in cartridges like the 222 Remington, 221 Fireball, 45-70, and 450 Marlin. With Varget so hard to find, if IMR 4166 proves accurate (and available) we might see many .308 Win shooters make the switch. Posted by Christopher Brown on Apr 19th 2022. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); I live in florida and shoot the same load all year. First ladder turned out great! It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. 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 .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. The kid's rifle didn't like this powder, but perhaps yours may. Subscribe to the free newsletter and do not miss any news or promotions. That means swings in ambient outside temperature can affect your internal ballistics, which will directly affect your muzzle velocity, which will change your bullets trajectory. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other cartridges. for 223. In modern type guns, 4166 IMR Enduron Powder is a viable powder. 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. Reviews can only be submitted while being logged in. both should give you specific info. Whether a rifle is sighted in during the heat of summer, hunted in a November snowstorm or hunting multiple locations with drastic temperature swings, point of impact with ammunition loaded with Enduron technology will be very consistent. IMR 4166 Enduron Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. OK, we're down to 1/3 MOA with a bit more to go. Most powders arent specially formulated to be temperature stable. This helps attain low ES/SD in velocity and pressure, which translates to improved long-range accuracy and tight verticals. An acronym for. They list loads for Sperry SP and Barnes TTSX in 55gr weights. The 4166 seemed interestingit matched my motorcycle jacket, but none of my reloading manuals had any data for it (it's that new). It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. Shooters will find IMR 8208 XBR yields max velocities and 'tack driving' accuracy. Anyone seen/tried this combo? .1 to .2 gr accuracy. Give it a try if you've already purchased it. 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. When I approached Chris Hodgdon with the question Does it stop copper from fouling or remove it with each shot? with a smirk he responded Its a proprietary formula. These short-grain, extruded powders will deliver temperature insensitive quality while keeping copper residue to a minimum. It provides top velocities and performance with heavier bullets in medium-sized magnums. So they would likely show much larger swings than what these four top-performing powders showed.
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