Sounds familiar! As with all load development, reference a credible reloading manual, then start at the minimum and work up in small increments. 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. http://www.hodgdonreloading.com/data/rifle, Hoping to find a fat girl to slurp my eel, http://optimalchargeweight.embarqspace.com/, http://www.northeastshooters.com/vbse-a-little-help-with-target-analysis-for-OCW. The 4166 seemed interestingit matched my motorcycle jacket, but none of my reloading manuals had any data for it (it's that new). In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. Expensive compared to varget. 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 This propellant is ideally suited for many mid-range burn speed cartridges. Reloading 223/ 5.56 for the AR-15 with IMR 4166 30-06JOHN, GUNS AND RELOADING 1.86K subscribers 2.8K views 1 year ago I reload .223/ 5.56 for the AR-15 using a powder not popular, IMR. With no pressure signs up to 45.8 grains of 4166 I decided to push further and see what I could get. when enduron works it is often same hole shooting. Find load data for IMR 4955 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4955 is a versatile, match-grade propellant with a mid-range burn speed that is in between IMR4451 and IMR7977. IMR4166-08: IMR 4166 8 LBS. 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 manual allows for stiffer charges, but at 25.1 the load begins to compress. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. Thanks, T.B. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. When I hit that node It's going to be great. 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. 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. So they would likely show much larger swings than what these four top-performing powders showed. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Improved Military Rifle IMR 3031 Improved Military Rifle IMR 4064: 5.56 x 45 mm: Accurate 2495 VihtaVuori N135 VihtaVuori N140: Hodgdon CFE 223 Hodgdon H 335 Improved Military Rifle IMR 8208 XBR VihtaVuori N530 VihtaVuori N540: 5.6 x 50 Magnum: Improved Military Rifle IMR 4064 Winchester 748: 5.6 x 57: Improved Military Rifle IMR 4320: 5.7 x 28 . IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. Find load data for IMR 7828 SSC propellant by clicking the button "Loads for this Powder".More about this powder:IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. This ensured the powder charges were identical for each round of ammo. I was planning to switch to 4166 for my .308, but it seems that it has also become nearly impossible to source. 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. Will purchase more. . (see note 1 ). This propellant performs comparably to Hodgdon H4350 but charge weights are materially different. 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). However, due to the super short kernels, metering is virtually as good as a spherical 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. ), 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 offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. 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. Here on Ultimate Reloader you can count on a LOT of AR-15 content coming over the next year: everything from reloading .223/5.56, to hunting, a lot more with suppressors, and some custom AR-15 rifle action! DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. I can imagine you might have a little more difficulty with case volume and fill ratio due to kernel size. Shooters has been keeping it around $20/lb if you buy in quantity. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. Today, only the newest reloading fuels can exceed that with a 55-grain bullet in the commercial .22-250. It provides top velocities and performance with heavier bullets in medium-sized magnums. IMR 4166 is an extruded stick powder. 17 reviews. 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 8208 XBR propellant by clicking the button "Loads for this Powder".More about this powder:IMR 8208 XBR is an accurate-metering, super short-grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. Where to Find IMR 4166 Powder I use this powder in my 6mm dasher bench gun. Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. I didn't want to like this stuffI figured I was likely buying marketing hype for $31/lb at my LGS. This powder is comparable to Hodgdon H4350. Love the copper fouling eliminator makes cleaning a breeze, Posted by Paul rosenkranz on Nov 9th 2021. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. A Meopta MeoStar 1.710x riflescope was mounted to ensure an optimum sight picture. * All prices incl. Tag: IMR 4166 Loading for the AR-15 with the LEE Auto-Drum Powder Measure. Case: Winchester; Twist: 1:12 inches; Primer: Federal 210M, Large Rifle Match; Barrel Length: 24 inches; Trim Length: 2.005 inches. I'm very happy with this powder. Across the board, the Enduron line is very insensitive to temperature changes, which is important for both match shooters and hunters. 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. : (913) 362-9455; E-mail: [emailprotected]; Web: www.imrpowder.com, (Disclaimer: The loads described above were safe for this rifle, on this particular day. (The only two .45-70's I own are trapdoor Springfields.) IMR is an acronym for Improved Military Rifle. Clearly, the competitor's 'choice' and the Varmint Hunter's 'dream powder.'. Learn more about Enduron powders at www.enduronimr.com. IMR 8208 XBR is accurate, clean-burning, and offers good velocity. Every week of WW II, as many munitions were used as in all of WW I. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Share the post "Guide to IMRs Enduron Powders What You Need to Know", Powder Valley Inc. (PVI) now has the new IMR 4166 powder. Other than that , great job, thanks. Anyway, I like the 4166! Reviews can only be submitted while being logged in. Anyone seen/tried this combo? The main features of the Enduron series are copper . (function() { Choose a IMR powder and find the respective load data for it. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. The Hodgdon powder company is world renowned for introducing revolutionary technology to the reloader. Learn more about Enduron powders at www.enduronimr.com. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. 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. Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder". UPS has officially stopped shipping guns? It may not display this or other websites correctly. (5.56 x 45 NATO) .223 WSSM .224 Valkyrie .224 Weath. 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. .223 Remington (Hodgdon Data Using IMR Powder) reloading data with 221 loads. JavaScript is disabled. 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. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. 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. Are your groups that good ? The results were very interesting, to say the least. For a better experience, please enable JavaScript in your browser before proceeding. Generally no two rifles will like the same exact load. IMR 4166 was released a few years ago as a temperature insensitive powder that is expected to replace 4064. In this post, I've got some great highlights including the LEE . We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. In modern type guns, 4166 IMR Enduron Powder is a viable powder. The weight of a kernel of 4166 was almost double the weight of a kernel of H4895, and they were clearly larger. IMR states that IMR 4166 is a versatile, match grade propellant. . 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. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. First run tomorrow. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. Subscribe to the free newsletter and do not miss any news or promotions. These are the first groups with this powder. For info on other IMR powders, visit www.imrpowder.com. 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. Trail Boss Reduced Rifle Load. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. this stuff is not affected temp at all. 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. In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. JavaScript is disabled. forum.accurateshooter.com/threads/imr4166-loads-for-223.4053707/, Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. 7977 is the slowest of the batch, for shoulder thumpers like the .338 Lapua and the .470 Nitro Express. 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. Share the post "Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme". When placed and configured optimally, the LabRadar can measure muzzle velocity with +/- 0.1% accuracy, according to the manufacturer. 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. First ladder turned out great! IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington and dozens more.. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Share your experiences with other customers. CL 2.005 IMR 4166 performs well in the .308 Win (for bullets up to 175 grains) and in 6mm cartridges running the heavier (95-107gr) projectiles. Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. Find load data for IMR 4831 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4831 has a slightly slower burn rate speed than IMR 4350. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. 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. 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! Final diagnosis: This powder is certainly a winner in the accuracy field, and if the cleanup continues to be this simple it is sure to find a home on my reloading bench. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; The new powder line-up comes in three flavors: 4166, 4451 and 7977. ga.src = ('https:' == document.location.protocol ? Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. The LabRadar is a new type of device that allows you to measure muzzle velocity within at least +/- 0.1% of the reading. I'm using this in my Tikka CTR 223 under 73 gr Berger BT target bullets. In today's shooting you can clearly see the scatter that centers at 45.5 and the obvious OCW at 46.2. Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. This powder is comparable to Hodgdon H4350. I have heard the same criticism from other forum members. In addition, it is a longtime favorite of Match shooters. _gaq.push(['_setDomainName', '.accurateshooter.com']); IMR 4166 is part of their new Enduron line that launched just a few years back. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. IMR claims that Enduron powders are not sensitive to temperature changes. I use in 243 Win and 6.5 CM. First load. h4895 Reduced Rifle Load. It provides top performance in big game cartridges such as 25-06, 280 Remington and 300 Winchester Magnum. Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. That is very, very low. FPS low 2735 high 2789. OAL 2770 Sierra Case - 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. An acronym for. OK, we're down to 1/3 MOA with a bit more to go. 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. ga.src = ('https:' == document.location.protocol ? The Hide Armory. $40.99 - $270.99. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Sep 25, 2010 . .1 to .2 gr accuracy. IMR 8133 performs comparably to Hodgdon Retumbo but charge weights are materially different. 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. _gaq.push(['_trackPageview']); Most powders arent specially formulated to be temperature stable. So if your goal is first-shot hits and you may shoot in a variety of conditions you should care about temperature stable powders. IMR 4166 is one of the new Enduron family of propellants. Very happy with the results. Comprehensive load data for IMR 4166 Enduron reloading powder und technical specifications for this propellant. IMR 4166 is one of IMRs Enduron family of propellants. Each of these are still favorites with handloaders today! Naturally the next step was to combine the two for a new line of powders. Load data should be forthcoming pretty soon. Find load data for IMR 4895 propellant by clicking the button "Loads for this Powder".More about this powder:Originally a military powder featured in the 30-06, IMR 4895 is extremely versatile as a medium burn speed propellant. _gaq.push(['_setDomainName', '.accurateshooter.com']); 5 rounds shot We do not take backorders and our Tech Services team cannot take orders via email or phone. Most powders arent specially formulated to be temperature stable. Has anyone left switched from 4064 to 4166 without losing accuracy? 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. The IMR brand was first introduced under DuPont in the 1930s. IMR 4166 possesses the fastest burn rate in the Enduron lineup. IMR recently released a new line of powders with Enduron Technology which is also marketed to have extreme temperature stability. 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. Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. I loaded 23.5 gr in Lapua brass with no trouble using a 10" drop tube: http://www.xxicsi.com/powder-funnel.html Was looking for an equivalent powder from H4895 when I ran into the 4166. This Enduron series powder is temp-stable and accurate. In fact, E. I. duPont arrived in America in 1800 determined to make an improved gunpowder and, by 1802, was producing gunpowder in a new plant along the Brandywine River in Wilmington, Delaware (this plant morphed into what is today the GOEX brand of black powder). This powder is comparable to Hodgdon H4831. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. Awsome powder in my book. Or maybe have QuickLoad data? IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Please help us to improve and report any suggestions via our contact form. For info on other IMR powders, visit www.imrpowder.com. I hope to get to .5 moa consistently anything better will be nice. 3, e-mail Hornady and the powder mfg. Below you will see today's round robin from 45.0 to 46.4 grains of 4166. 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. These new powders should compete directly with the Hodgdon Extreme Series, which gives shooters more temp-stable powder options to consider. Reduced Rifle Loads. . Posted: 7/2/2021 8:19:25 PM EST. .308 Winchester (IMR-4166 Data) Warning! Thanks, Was looking for an equivalent powder from H4895 when I ran into the 4166. 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. Cant find Hodgdon Varget on dealers shelves? IMR 4166 possesses the fastest burn rate in the Enduron lineup. Share the post "Powder Valley has new IMR 4166 Powder in Stock". 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. Great stuff! I'm looking for some load data for the 55gr V-Max in 223 Remington with IMR 4166. Share the post "Cant Find Varget for Sale? 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. Well, Im done Adulting for Today and Tomorrow. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more.. 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 This website uses cookies to ensure the best experience possible. For this reason, the IMR brand powders truly are Legendary products. View Product Warning DEALER LOCATOR New customer? .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. I live in florida and shoot the same load all year. (function() { IMR is bringing out a new series of advanced-formulation extruded powders. Anyone seen/tried this combo? [ARCHIVED THREAD] - IMR 4166 .223 Rem. 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". For magnums with light- to medium-bullet weights, IMR 4350 is the best choice. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Temperature change stability the Enduron line is insensitive to temperature changes. 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 Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. 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. Using Hodgdon's online Reloading Data Center I find IMR 4166 listed as an appropriate powder for several 223 loads, from 50 grains bullets all the way up to 90 grain bullets. Load . 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. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. 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 That provided two sets of velocity numbers. IMR 7977 is comparable to Hodgdon H1000. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. PRBs test team also noticed other interesting trends in the data. I tried 4166 and my groups opened up. 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. At the 2015 Shot Show they did just that and released the IMR Enduron Line. 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. Working up a good hunting load with the 4166 Enduron and the Hornaday 150 gr GMX bullets for my 308. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. The responsible reloader always errs on the side of caution, so I decided to stop there. They also produce specialty rounds designed for competition shooting events like . 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. so I am thinking till powder does come available, load one or 2 levels under Max for a 223 into the 556 cases. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. We do not take backorders and our Tech Services team cannot take orders via email or phone.

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imr 4166 load data 223

imr 4166 load data 223