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Long Range Hunting & Shooting
Optimal AR barrel length
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<blockquote data-quote="ranger mac" data-source="post: 328443" data-attributes="member: 20705"><p>Disclaimer: My search skills may be limited, but I have been all over look.</p><p> </p><p>I was looking for the minimum and/or optimal barrel length for a 223 AR built. I found a great article a little while back on swat/FBI ballistic testing. It showed that 308 doesn't begin to lose velocity dramatically until shorter then 20" and the 300 win mag was at 22". </p><p> </p><p>I am new to an AR target concept. We have 16" barrels on ours, but that is mainly for CQB requirements. </p><p> </p><p>Can I built a 16" heavy barrel varmint/target AR and still optimize the round or does the 18,20, 24" benefit from increased muzzle velocity. </p><p> </p><p>I know by reading generally the shorter barrels have more rigidity, I really just want it to be a good shooter, still portable, and be able to group well at 300 yards and some work with a little more.</p><p>I just bought an LTR for longer work. THANKS FOR the help</p></blockquote><p></p>
[QUOTE="ranger mac, post: 328443, member: 20705"] Disclaimer: My search skills may be limited, but I have been all over look. I was looking for the minimum and/or optimal barrel length for a 223 AR built. I found a great article a little while back on swat/FBI ballistic testing. It showed that 308 doesn't begin to lose velocity dramatically until shorter then 20" and the 300 win mag was at 22". I am new to an AR target concept. We have 16" barrels on ours, but that is mainly for CQB requirements. Can I built a 16" heavy barrel varmint/target AR and still optimize the round or does the 18,20, 24" benefit from increased muzzle velocity. I know by reading generally the shorter barrels have more rigidity, I really just want it to be a good shooter, still portable, and be able to group well at 300 yards and some work with a little more. I just bought an LTR for longer work. THANKS FOR the help [/QUOTE]
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Optimal AR barrel length
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