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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
18-20" 300 RUM: change my mind..
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<blockquote data-quote="cohunt" data-source="post: 2632274" data-attributes="member: 94491"><p>How about the 30 Sherman mag ? <img class="smilie smilie--emoji" loading="lazy" alt="🤣" title="Rolling on the floor laughing :rofl:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f923.png" data-shortname=":rofl:" /> there you go-- now it's out of the way and we can get on with your question</p><p></p><p>I run a short barrel 308, 30-06, and 300 wsm bolt actions and real short 223, 6.8, and 300bo on ar's....people will complain about the short barrel loss in velocity, the "huge ball of fire" from the muzzle and the deafening muzzle blast from short barreled rifles. They will also say you need very fast burning powders and light weight bullets for short barrels.</p><p></p><p>I have not had any issues with any of those things.</p><p></p><p>The reasoning of a large caliber short barrel is a compromise to shorten the oal of a suppressed rifle. Yes you loose mv with less barrel-- but the same thing could be argued for a 24" vs 30" barrel.</p><p></p><p>Make sure your suppressor is rated for the cartridge / barrel length combo you choose and you should be good to go.</p><p></p><p>I have found that even in short barrels- a faster burning powder seems to pressure out before you reach max muzzle velocities compared to "normal" powders for cartridges-- why wouldn't it? Your max pressure is reached in the first few inches of barrel --- for example in the 308 I tried quite a few "faster" powders but my best accuracy/speed combo ended up being with varget. -- and the 300wsm likes rl 23 or 26 even though it has a short barrel.</p><p></p><p>I also find if you run the numbers for retained velocity and energy and drop/wind -- the short barrels still seem to accel with heavier bullets vs light ones.</p><p></p><p>Only thing I do notice with short barrels is if you have a light gun-- you do get considerably more muzzle jump/hop and you may need to change the techniques you use to accurately shoot the rifle. My heavier longer guns I shoot "free recoil" style-- my short/light guns semi to like the "hard hold" technique</p><p></p><p>In the end--- "you do you"</p></blockquote><p></p>
[QUOTE="cohunt, post: 2632274, member: 94491"] How about the 30 Sherman mag ? 🤣 there you go-- now it's out of the way and we can get on with your question I run a short barrel 308, 30-06, and 300 wsm bolt actions and real short 223, 6.8, and 300bo on ar's....people will complain about the short barrel loss in velocity, the "huge ball of fire" from the muzzle and the deafening muzzle blast from short barreled rifles. They will also say you need very fast burning powders and light weight bullets for short barrels. I have not had any issues with any of those things. The reasoning of a large caliber short barrel is a compromise to shorten the oal of a suppressed rifle. Yes you loose mv with less barrel-- but the same thing could be argued for a 24" vs 30" barrel. Make sure your suppressor is rated for the cartridge / barrel length combo you choose and you should be good to go. I have found that even in short barrels- a faster burning powder seems to pressure out before you reach max muzzle velocities compared to "normal" powders for cartridges-- why wouldn't it? Your max pressure is reached in the first few inches of barrel --- for example in the 308 I tried quite a few "faster" powders but my best accuracy/speed combo ended up being with varget. -- and the 300wsm likes rl 23 or 26 even though it has a short barrel. I also find if you run the numbers for retained velocity and energy and drop/wind -- the short barrels still seem to accel with heavier bullets vs light ones. Only thing I do notice with short barrels is if you have a light gun-- you do get considerably more muzzle jump/hop and you may need to change the techniques you use to accurately shoot the rifle. My heavier longer guns I shoot "free recoil" style-- my short/light guns semi to like the "hard hold" technique In the end--- "you do you" [/QUOTE]
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18-20" 300 RUM: change my mind..
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