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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel length for 308
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<blockquote data-quote="osok-1k" data-source="post: 2125313" data-attributes="member: 106259"><p>I have a blueprinted Remington PSS for work. which after reading a survey of top barrel makers like Mike Rock, Lilja, Gardner, Krieger and a few others I cut to 22". The consensus was that the 308 maximizes burn at about 22". Of course this is somewhat dependent on powder and bullet weight. A good friend of mine was a police sniper for a long time and built custom rifles for LE only, to be used in that arena where one shot to end a threat and save a life requires the most repeatable cold bore accuracy. He built all of his rifles with 25" barrels, not for velocity but he believes that this handles harmonics better. Most were Hart barrels with .830 muzzle 1-10 twist. I used one of his rifles at my sniper school and shot a 3 shot 1/4" group at 200 on 10 power, prone with factory Federal GM 168. My best 3 shot group at 100 was .320 edge to edge which would be .012 center to center. I know that this combination works. All that to say that for a hunting rifle I would used a no 5 taper or around .700 at muzzle, 1-11 twist and probably 22 or 23" for portability. Sometimes the additional length gets in the way. The shorter the barrel the more muzzle blast could be a factor, I know guys who really like short barrels and if it works for them, great. It's just not what I would do. I'm doing a build now with my first Kelbly's Atlas Tactical action and Brux Rock Creek design Sendero barrel 1-11. I chose the Atlas because of its overall reputation but largely for the trigger hanger which allows me to tune the trigger timing.</p><p>I try to offer practical real world experience based advice. Choose wisely and enjoy.</p></blockquote><p></p>
[QUOTE="osok-1k, post: 2125313, member: 106259"] I have a blueprinted Remington PSS for work. which after reading a survey of top barrel makers like Mike Rock, Lilja, Gardner, Krieger and a few others I cut to 22". The consensus was that the 308 maximizes burn at about 22". Of course this is somewhat dependent on powder and bullet weight. A good friend of mine was a police sniper for a long time and built custom rifles for LE only, to be used in that arena where one shot to end a threat and save a life requires the most repeatable cold bore accuracy. He built all of his rifles with 25" barrels, not for velocity but he believes that this handles harmonics better. Most were Hart barrels with .830 muzzle 1-10 twist. I used one of his rifles at my sniper school and shot a 3 shot 1/4" group at 200 on 10 power, prone with factory Federal GM 168. My best 3 shot group at 100 was .320 edge to edge which would be .012 center to center. I know that this combination works. All that to say that for a hunting rifle I would used a no 5 taper or around .700 at muzzle, 1-11 twist and probably 22 or 23" for portability. Sometimes the additional length gets in the way. The shorter the barrel the more muzzle blast could be a factor, I know guys who really like short barrels and if it works for them, great. It's just not what I would do. I'm doing a build now with my first Kelbly's Atlas Tactical action and Brux Rock Creek design Sendero barrel 1-11. I chose the Atlas because of its overall reputation but largely for the trigger hanger which allows me to tune the trigger timing. I try to offer practical real world experience based advice. Choose wisely and enjoy. [/QUOTE]
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Barrel length for 308
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