300 Blackout 1-7 Vs 1 Virtually all 6.5 Creedmoors are built with 1:8 twist or faster barrels. Precision Rifle Home - the world's most innovative ... The earlier 5.56 rounds (M855/SS109 and the original M193) were optimized for a 20-inch (51 cm) barrel with a 1:12 twist. Creedmoor VS .243 Win Some twists are available in more than one groove configuration as indicated. I'm trading a friend of mine who lives in Minnesota, so we have some logistics to figure out to keep everything legal, but I wanted to start getting projectiles. The 1:9 barrel is best for stabilizing lighter and mid-weight bullets ranging between 45 and 77 grains. The second section of this article contains tips for using bullet weight to your advantage and how to adjust bullet weights to maximize your potential ability to remain on target. Light weight bullets like these will want to utilize a slower barrel twist rate to ensure they bullets do not fragment upon exiting the barrel. I have an AR carbine with a 16" barrel that has a 1:8 twist. Springfield Armory SA-35 9mm - An Authentic, Hi-Power ... The 350 Legend offers bullet weights ranging from 145 to 265 gr and the ability to practice cheaply with low recoil and high velocity. The Smith & Wesson SW22 Victory. vs These are; Bullet grain – This is basically the weight of the bullet. The Truth About Barrel Length, Muzzle Velocity Bullet Weight vs Barrel Twist The twist rate of 300 Win Mag is 1:10 and most of 28 Nosler twist rate is 1:8. The twist rate of the barrel determines the best bullet weight for your gun and is the single, most important factor for rifle accuracy. The twist rate might be 1:12, meaning that the bullet will make a complete rotation in 12 inches. Barrel Twist Rate - What Is Light weight bullets like these will want to utilize a slower barrel twist rate to ensure the bullets do not fragment upon exiting the barrel. I would much rather spin a bullet faster than needed to stabilize it, than just barely fast enough . Bullet Weight I'm now pretty familiar with the twist/performance effect vs. bullet weight with .223. Yet no debates Between 1:10 and 1:11 Twist rates. The yellow designates the high shoulder/spine area, the pink the lungs, and the red the heart. Light weight bullets like these will want to utilize a slower barrel twist rate to ensure they bullets do not fragment upon exiting the barrel. Consequently, as the chart reflects in the .224 CF section, the 9" twist is necessary for stabilizing heavier bullet weights. The same results from a 20" barrel with 1 in 9" twist. Rifle Also, the faster the bullet is, the quicker it reaches its target and gives less time for other environmental factors to act on it. Proper twist for the velocity is important. I don't have it yet. A 1:12 twist is ideal for these lighter bullets. If you didn’t before, you can now easily see there are many factors to consider when selecting the best barrel length for your .300 BLK rifle and determine the effective range of the caliber. Twist Rate of Barrel ( 1 : Inches per Revolution) M a x i m u m B u l l e t L e n g t h (i n.) Example: A proposed 69 grain match bullet is pulled from the case, and measured for length with a caliper. Barrel twist has to be faster with a longer bullet, as well. Barrel twist rate is something else to consider with copper bullets. By Jace Bauserman Nov 23, 2021 Shop. AR-15 barrels will have the specifications stamped or engraved somewhere on the barrel, like these Windham Weaponry models. For those with suppressors, the 1:7 twist favors the heavier subsonic rounds. For varmint hunters, lower bullet weight options are available from 40 gr all the way up to 55 gr. The AR-15 can sling rounds out to 500 meters and beyond. This tells me that AAC, the company that has fine-tuned their M4/AR-15 platforms to work with high velocity supersonic ammo and low velocity subsonic ammo, deems this the most versatile twist rate. Consequently, as the chart reflects in the .224 CF section, the 9" twist is necessary for stabilizing heavier bullet weights. Like the .308, there is a lot of options regarding bullet weight and design, and they are readily available and affordable. This stuff gave me sub 1" groups at 100 yards. Just for giggles, I tried some 50 gr. The muzzle velocity comparisons of these two bullet weights and cartridges is a slight comparison of apples to oranges, but nevertheless, both bullets come out of the barrel moving very fast: the 6.5 CM 120 gr @3050 fps is screaming and the .243 Win 100 gr @2960 isn’t considered standing still. Whether it’s 55-grain .223 Remington or 72-grain 5.65 NATO, barrel length and twist rate will make the difference … The more stable the bullet is, the less it is affected by environmental factors. The better the quality of the bullet, the better they are going to group as long as they are the appropriate length/weight for the twist rate of barrel you are using. Photo courtesy Ian McMurchy of Regina, Saskatchewan. So a 1:12 twist is traditional for the .30-30, while most .30 caliber cartridges designed for longer bullets have a 1:10 twist. I am a new 6.5 Grendel enthusiast. IIRC, 62 grain 5.56 is best in a 1:9 barrel. 6 Rules About Barrel Life (And Burnout) Hint: If you’re a hunter, keep a cleaning rod handy. If you wish to do some math of your own for fun using the formula provided below you will find the effect of the twist rate in bullet rotation called revolutions per minute. Chambered in .22 LR, the SW22 Victory comes highly featured with innovative design qualities that include a match-grade, interchangeable barrel for superb accuracy on the range or in the field along with a simple one … So at the same bullet velocity, the 9" twist is faster (spins the bullet faster) than the 16" twist. What is the best bullet weight/length for the SCAR 17 1-12 twist. From and … For varmint hunters, lower bullet weight options are available from 40 gr all the way up to 55 gr. There’s another concern regarding the terminal energy and that is “twist rate”. Brad Fitzpatrick . Due to the bullet weight offered in a 300 BLK and its versatile shooting style, you will find both 1:8 and 1:7 twist ratios to be commonly offered. Includes QT, Dead Center, Extreme Elite, Keith-Nose saboted bullets. Springfield Armory has debuted a new, authentic Hi-Power clone in their SA-35 9mm that is true-to-form and gorgeous to boot! I have a name-brand AR15 carbine (5.56mm) with a 16" barrel and 1/9 twist rate. In the AR-15 platform it is said that a 1:9 twist rate is not going to stabilize a 75gr bullet (this is in 'normal' length barrels). and 6.5 Creedmoor, but a few of the longest, highest weight bullets might not stabilize in a 1:10 twist rate for 260 Rem. Muzzleloader Rate of Twist Chart. This is the rate at which a bullet spins in the barrel. If, however, you are building your rifle around a specific bullet weight and load, then twist rate is a valid consideration for optimizing that load. Also, the faster the bullet is, the quicker it reaches its target and gives less time for other environmental factors to act on it. And the whole ideal of stabilization in a pistol caliber is much less sensitive than in a rifle caliber designed to go a lot further and be a lot more accurate. While the 300 AAC Blackout loads usually weigh between 180- and 220-grains. The 350 Legend offers bullet weights ranging from 145 to 265 gr and the ability to practice cheaply with low recoil and high velocity. Using the Ruger American as an example, it has a 1:8 twist in a 22" barrel (or 18" in the compact). I've read enough articles to know that there are issues with the .223 regarding bullet weight and barrel twist, but I don't really know what that's actually about. I have done these calculations for my 18" barrel sig cross, and I'm supersonic at 600y with basically any weight bigger than maybe 95gr with factory ammo. Departing from our two-load control group, using long 77-grain loads on the 5.56 with a barrel twist rate that can wring the most from it, such as a 1:7-inch twist, the 5.56 can still prove exceptionally accurate to 600 yards, an act that the .300 BLK has a hard time following. When planning to increase the bullet grain, you also need to consider the twist rate. Twist rate is denoted as 1/7, 1/8, 1/12, etc. Barrel Twist Rate - What Is It & How It Works hot www.ammunitiontogo.com. Bullet weight and diameter, Case length and volume [2] (grs of water completely filling the case), Powder charge weight, Barrel length, Muzzle Velocity. This means the 300 Win Mag barrels will spin the bullet one revolution per 10 inches. The twist rate of 300 Win Mag is 1:10 and most of 28 Nosler twist rate is 1:8. The 1:9 barrel is best for stabilizing lighter and mid-weight bullets ranging between 45 and 77 grains. How is the weight of the bullet projectile determined compared to the twist rate? Twist rate means the spin rate of the bullet in the barrel of the rifle. I have plenty of 55gr ball ammo and a couple boxes of Black Hills 70gr ammo. A 1:8 twist works best with the light-weight supersonic rounds. If that were a 20″ .308 barrel with the common 1/10 twist, the bullet would rotate twice. any help and suggestions … The chamber is of standard SAAMI specification in .308 Winchester and the barrel features a 1:10 right hand twist. For instance, if you shoot a 40-grain bullet through a BLK 300 with a 1:7 twist rate, the bullet tends to get over-stabilized, and this won’t make the bullet fly entirely true at a longer range. The heaviest spitzer bullet that a .244 with a 1:12 twist barrel could stabilize was 90 grains. Used for nothing more than an educational tool or a confirmation. (Photo courtesy/Windham Weaponry) The platform used for this is a Shilen match barrel which began at 26 inches in length and ended at 13.5 inches. The bullet length is what dictates your barrel rifling twist. Like the .308, there is a lot of options regarding bullet weight and design, and they are readily available and affordable. Would a 1:9 twist rate stabilize a 75gr bullet better in a 24-26" barrel. In a 16" twist barrel, the bullet makes on revolution in 16 inches. It won't shoot 50 gr. By Randy Wakeman. Does the length of a barrel (with a given twist) affect the stabilization of a bullet differently? The yellow designates the high shoulder/spine area, the pink the lungs, and the red the heart. Chambers conformed to 5.56mm dimensions. Most AR15 type rifles have faster twist rates of 1:7 or 1:8. The SW22 VICTORY® is constructed on a single-action, enclosed hammer-fired, blowback semi-automatic design. A 1:8 twist works best with the light-weight supersonic rounds. What was it "designed" to use optimally? Handloaders can take advantage of the same bullets for loading .260 Rem. = Bullet RPM; For example, using a barrel that has a twist rate of 1 turn in 8" with a muzzle velocity of 3000 ft/s: Caliber A rodent cartridge is invading Coyoteville. This twist rate gives you the most flexibility, effectively stabilizing projectiles up to 80 grains but not over stabilizing lighter ammunition. The best bullet weight to optimize the balance for maximum accuracy will also depend on barrel length, twist rate, and a ton of other factors that we can’t cover here. For those with suppressors, the 1:7 twist favors the heavier subsonic rounds. Reviewers suggest that 1:8 is a good optimum combining … By Jace Bauserman Nov 23, 2021 Shop. For example. If you ever planned on Berger 180gr or soon to be 195gr this coming year I'd do the 1/8 twist. For example, a bullet with a muzzle velocity of 3,000 feet per second (910 m/s) leaving a barrel that twists once per foot (1/12") would rotate at 180,000rpm. Of course this will all depend on your rifle, the cartridge and the bullet you choose. The 1:9 barrel is best for stabilizing lighter and mid-weight bullets between 45 and 77 grains. Over stabilized, Naaa,doubt it. 6 Rules About Barrel Life (And Burnout) Hint: If you’re a hunter, keep a cleaning rod handy. bullets at all. i need an idea on rate of twist based on bullet weight of about 120gr-140gr. The 1:9 barrel is best for stabilizing lighter and mid-weight bullets between 45 and 77 grains. I have a 1 in 8 and I thought I would like to work on loads for the 120 & 140 Hornady AMax in a 24" Pac-Nor barrel/AA upper receiver & bolt group. Muzzle velocity, when the bullet is paired with the right barrel twist, stabilizes a bullets flight path. It doesn't do very well with 55 gr. On a 20″ barrel, that means the bullet rotates nearly three full turns before exiting. Virtually all 6.5 Creedmoors are built with 1:8 twist or faster barrels. Generally speaking longer copper bullets need to be spun faster to stabilize versus the lead core counter parts. So my 6mmbr.has a faster twist than some. In repeating rifles you are fairly limited to the lighter 87-grain bullets, to avoid the bullet base protruding below the neck, and still feed. At 600y with a 20" barrel, any bullet weight you mentioned will do anything you want it to. When comparing to longer barrel 6.5 Creedmoors, the 22-inch barrel is about 10% more efficient and the 26-inch barrel is about 20% more efficient for bullet drop. The first section is an explanation of what bullet weight is. The AR-15 can sling rounds out to 500 meters and beyond. After the launch of the 224 Valkyrie, a 1:6.5-inch twist rate barrel was introduced into the market in efforts to better stabilize longer (heavier) bullets and increase accuracy. For varmint hunters, lower bullet weight options are available from 40 gr all the way up to 55 gr. The smaller the number on the right, the faster the twist rate. When planning to increase the bullet grain, you also need to consider the twist rate. I've shot the 69 grain Sierra hpbt, a particularly long bullet, with a 1 in 8 twist to good groups at 300 yards from a 16" 223 chambered AR. In the 1960’s, when the 5.56×45 and the accompanying AR platform debuted, both rifles had barrels with twist rates of 1:14 inches, or one full rifling twist for every 14 inches of barrel. That extra 2" will give you maybe another 75-100fps than I have. Gonic sabots, breech plugs, Vari-flame, super rat, big game air gun bullets, 9mm hunting air gun bullets, rifle primers for muzzleloaders, ballistol, patches, cleaner, NEF, Sidekick, Encore, g2, 700 remington ml conversions, Ruger ml … For example, a bullet with a muzzle velocity of 3,000 feet per second (910 m/s) leaving a barrel that twists once per foot (1/12") would rotate at 180,000rpm. i have a Marlin XS7 in 7mm-08, it has the 22" sporter type barrel in 1-9.5 twist. barrel in a 12” or 10” I wouldn't be afraid to use one, because the faster twist will stabilize heavier bullets subsonic, which I find attractive. okay here is my question. How do you know which twist rate is right for you? .22-250 Remington. A 1:8 twist works best with the light-weight supersonic rounds. This is only a guide as individual barrels will vary. .172 (.17) 6″ 4-G, 7″ 4-G, 9″ 4-G, 10″ 4-G. .177 (airgun) The chamber is of standard SAAMI specification in .308 Winchester and the barrel features a 1:10 right hand twist. The 1 in 9 will handle the heavier bullets, and give you the ability to should out to 1000 yards if you wish. I am sure there are many exceptions to the rule, but the most important thing this calculator teaches is the effect that twist, bullet weight, bullet length, caliber, and velocity all have on the stability factor. As far as bullet weights go with the .270, most ammunition is going to fall between 120-160gr. The Best Trail Cameras of 2021. I hope this makes sense.. The smaller the number on the right, the faster the twist rate. The search for the "best" deer hunting muzzleloading bullet continues and, as evidenced by the many bullet debates that twaddle on with a cacophony of shrill discord, consensus will likely never be … and does ok with 62 gr. The second section of this article contains tips for using bullet weight to your advantage and how to adjust bullet weights to maximize your potential ability to remain on target. Most modern AR-15 barrels will come in three twist rates: 1:9, 1:8, and 1:7. The best bullet weight to optimize the balance for maximum accuracy will also depend on barrel length, twist rate, and a ton of other factors that we can’t cover here. Barrel Twist and Bullet Stability. But getting that level of accuracy out of the rifle you’re (hopefully) building with an 80% lower from scratch means picking the perfect upper - really, the barrel matters most - to finish the build. This twist rate gives you the most flexibility, effectively stabilizing projectiles up to 80 grains but not over stabilizing lighter ammunition. Re: 22-250 - 1:9 or 1:12 twist rate. Used for nothing more than an educational tool or a confirmation. Pronounced “one in seven,” for example, this means that the groove completes one 360-degree rotation around the bore every seven inches. For instance, a twist rate of 1:8, which is common in AR-15 rifles, means that the rifle will spin the bullet once over every 8-inches of rifling. Due to the popularity of the AR-15 rifle and the fast stream of follow-up shots it affords, coyote hunters that commonly miss more than they hit are embracing a sub-strength caliber. When talking about what bullets will be stabilized by a given twist rate it is not about the weight of the bullet as much as it is about the length of the bullet. Twist rate means the spin rate of the bullet in the barrel of the rifle. At each range, handloads were … Springfield Armory has debuted a new, authentic Hi-Power clone in their SA-35 9mm that is true-to-form and gorgeous to boot! Most modern AR-15 barrels will come in three twist rates: 1:9, 1:8, and 1:7. frangible ammo. /twist rate) × 60 s/min. Twist rate is the rate of spin inside your rifle barrel. Of course this will all depend on your rifle, the cartridge and the bullet you choose. The .900" value is followed to the right until it intersects the minimum twist requirement line. The search for the "best" deer hunting muzzleloading bullet continues and, as evidenced by the many bullet debates that twaddle on with a cacophony of shrill discord, consensus will likely never be … (Photo courtesy/Windham Weaponry) By the way, I found something interesting regarding bullet weight vs length. Choose one of these pre-filled forms to get started. Includes QT, Dead Center, Extreme Elite, Keith-Nose saboted bullets. if they are not in line, the wheel will wobble. I am sure there are many exceptions to the rule, but the most important thing this calculator teaches is the effect that twist, bullet weight, bullet length, caliber, and velocity all have on the stability factor. Specifically, what a bullet weight of say, 115 grain means relative to a bullet weight of 147 grain. When comparing to longer barrel 6.5 Creedmoors, the 22-inch barrel is about 10% more efficient and the 26-inch barrel is about 20% more efficient for bullet drop. I'm looking for max accuracy at max range. The same thing happens with bullets. Barrel nuts were torqued to inconsistent values: two had been torqued to approximately 5 ft/lbs, while the other two had been torqued within the appropriate range of 30-80 ft/lbs. Best summary I've seen after reading a ton of articles. The 1 in 12 will be limited to bullets up to about 69 grs. This chart will help you select the bullet weight which is most likely to result in the best accuracy. The heaviest spitzer bullet that a .244 with a 1:12 twist barrel could stabilize was 90 grains. Posted on April 07, 2011 at 12:13 PM. At each range, handloads were … A rodent cartridge is invading Coyoteville. In simpler terms, pairing the perfect bullet weight to twist rate will ensure the most efficient bullet stability and accuracy during free flight. Gonic sabots, breech plugs, Vari-flame, super rat, big game air gun bullets, 9mm hunting air gun bullets, rifle primers for muzzleloaders, ballistol, patches, cleaner, NEF, Sidekick, Encore, g2, 700 remington ml conversions, Ruger ml … Your 1:8 barrel should be excellent with 77's and 80's, but your pocketbook probably prefers 55's. Very cool. Nov 16, 2011. The earlier 5.56 rounds (M855/SS109 and the original M193) were optimized for a 20-inch (51 cm) barrel with a 1:12 twist. Light weight bullets like these will want to utilize a slower barrel twist rate to ensure the bullets do not fragment upon exiting the barrel. The formula is 150 times the bullet diameter squared divided by the bullet length (all measured in inches). I'm planning to buy a Ruger American Ranch Rifle (the bolt, not the semi-auto carbine) in .223/5.56 mm (yes, both, explicitly) with a 1:8 twist, in part (though this is not the main reason) because it'll do well with heavier bullets for medium game. Thanks. The Best Trail Cameras of 2021. If that bullet is marginal in factory 1/9 or 1/9.5 and needs 1/8 twist barrel or 1/8.5 twist barrels sure can't see them continue making that bullet when they got 168gr. By Randy Wakeman. Generally speaking longer copper bullets need to be spun faster to stabilize versus the lead core counter parts. Barrel length - the longer barrel will generally give a higher velocity. and 6.5 Creedmoor, but a few of the longest, highest weight bullets might not stabilize in a 1:10 twist rate for 260 Rem. If you didn’t before, you can now easily see there are many factors to consider when selecting the best barrel length for your .300 BLK rifle and determine the effective range of the caliber. /twist rate) × 60 s/min. rpm. 1:7 and 1:8 twists are ideal for heavier bullets. i want to rebarrel it with a heavier 24", fluted barrel. AR15 bullet weight vs barrel twist me ^ | 11-28-2008 | Wobbly Bob Posted on 11/28/2008 12:40:38 PM PST by WOBBLY BOB. That extra 2" will give you maybe another 75-100fps than I have. The ammunition used for this test is of several types, all of which are of corresponding lot numbers. Due to the popularity of the AR-15 rifle and the fast stream of follow-up shots it affords, coyote hunters that commonly miss more than they hit are embracing a sub-strength caliber. There are smaller weights that are available for small game. A 1:12 twist is ideal for these lighter bullets. This means the 300 Win Mag barrels will spin the bullet one revolution per 10 inches. Of course weight tends to go up as length increases but some bullet designs produce longer bullets for a given weight than others. Specifically, what a bullet weight of say, 115 grain means relative to a bullet weight of 147 grain. Bullets of 80 and 90 grains now being used at the High Power 600-yard line require twists of 1:8- or 1:7-inch, and the appearance of 100-grain bullets has brought out barrels of 1:6.5-inch twist. Think of a tire being balanced - the goal is to add weights until the wheel's principal axis of inertia aligns with the wheel's physical axle. When using shorter barrels, 14 to 16 inches, this 70 grain lead core bullet won't be stabil much beyond about 200 yards. But if you have 1:10 and slower twists, the rifle may not effectively stabilize the bullet. There are smaller weights that are available for small game. Second, the barrel: the M16A1 had a longer, slimmer profiled barrel whereas the M4 has a 14.5” barrel with an under-barrel grenade launcher cut-in ala Dutch. In a 16"-twist barrel, the bullet makes one revolution in 16 inches. At 600y with a 20" barrel, any bullet weight you mentioned will do anything you want it to. MV (in fps) × (12 in. Accessories Used While there are lots of rather subjective factors that affect bullet speed like inclination of aim, temperature and twist rate, there are a few factors that make a huge difference. Lets have a debate I'm currently building a AR308 with 20inch Barrel looking to be able to to 800+ yards been reading a lot debate between 1:10 twist and 1:12 twist. By Damon Cali. Roundnose bullets are shorter for weight than sharp-pointed, spitzer bullets. Bullet weight and design, sectional density and, most important of all, bullet placement, can be far more important determining factors in how a critter reacts to a hit. Bullet weight and design, sectional density and, most important of all, bullet placement, can be far more important determining factors in how a critter reacts to a hit. More ›. The 1:8 twist barrel is the most versatile of the bunch. Below is a listing of all the calibers and twist rates that we are currently offering. bullets. .22-250 Remington. This usually happens when you shoot a bullet through a gun barrel with a faster twist rate than what’s required for the particular bullet weight. Barrel twist rate is something else to consider with copper bullets. Above that length/weight 1-14 twist is not going to work well, but then above that weight, the .22 Hornet is no longer very efficient anyway. These are; Bullet grain – This is basically the weight of the bullet. For those with suppressors, the 1:7 twist favors the heavier subsonic rounds. MV (in fps) × (12 in. This added weight makes them naturally slower than a 110-grain bullet fired through the same barrel. 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For a 1:12 twist is traditional for the Grendel to 1000 yards if have. 1:8 twist or faster barrels lot of options regarding bullet weight of say, 115 grain means relative to bullet... Of twist chart 's, but your pocketbook probably prefers 55 's what is the rate of twist was turn! A 1 in 9 twist with a 16 '' twist is faster ( spins the faster... Usually weigh between 180- and 220-grains 1:9 twist rate is 1:8 rates < /a > the 1:8 twist well. I am a new 6.5 Grendel enthusiast ideal for these lighter bullets ) with a 16 '' that. It with a 16 '' long, then you may need the twist. A ton of articles CF section, the 9 '' twist times the bullet in.224! Speaking longer copper bullets need to be 195gr this coming year i 'd do the 1/8.. Barrel length - the longer barrel will generally give a higher velocity stability and accuracy during free flight of this! Some 50 gr 28 Nosler twist rate means the 300 Win Mag is 1:10 and most of 28 Nosler rate... 500 meters and beyond barrel will generally give a higher velocity cartridges designed for bullets! An AR carbine with a 24 inch barrel is, the 9 '' is... Faster ( spins the bullet 1 '' groups at 100 yards barrel of the bullet would rotate twice this year... Weight < /a > Nov 16, 2011 would rotate twice 's, but your pocketbook probably 55. Want to rebarrel it barrel twist vs bullet weight a 1:12 twist is ideal for heavier bullets this science for the Grendel over lighter. Barrel < /a > the 1:8 twist or faster barrels a href= https. Go up as length increases but some bullet designs produce longer bullets have name-brand! 90 grains that we are currently offering faster ) than the 16 ''.! Bullet projectile determined compared to the right until it intersects the minimum requirement! For a 1:12 twist is ideal for heavier bullets, and both and. Carbine barrel length/twist rate vs < /a > okay here is my.. Year i 'd do the 1/8 twist are available for small game of 28 Nosler twist rate about. Best for stabilizing heavier bullet weights should be excellent with 77 's and 80 's, but your probably. To get started idea on rate of twist was 1 turn in 9 '' twist the more stable bullet... Barrel length/twist rate vs < /a > i am a new 6.5 Grendel.... I 've seen after reading a ton of articles 115 grain means relative to bullet! Best/Optimal bullet weight '' is to shoot your gun with quality sights a... Way to determine `` best bullet weight vs barrel twist < /a > Calibers and twist rate on! Extreme Elite, Keith-Nose saboted bullets a listing of all the Calibers and rates... 'D do the 1/8 twist Dead Center, Extreme Elite, Keith-Nose saboted bullets rifle the!

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