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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Short barrelled truck gun cal choice?
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<blockquote data-quote="hwy40" data-source="post: 520325" data-attributes="member: 26078"><p>Whatever your choice, one thing that I thought of when I saw this thread is an article I read in the May? 2006 issue of Shooting Times. They did a velocity test using a short action rifle in .308 I think. They shot several rounds over the chrony, recording each, and then cut the barrel down one inch at a time, recording the velcity of several shots, starting at 24 and ending at 16. The conclusion was that the velocity loss in a short action cartridge is roughly 5% between 24 and 16 inches due to the fast powders used in the 308 family. </p><p> To put that in perspective, shooting a 308 using Hornady Superformance 165gr SST ammo rated at 2840fps you can cut the barrel down to 16" and still get 2698fps. The difference in drop at 400 yards is approximately 1.5". Go with a light, short barreled rifle and enjoy the hell out of it.</p></blockquote><p></p>
[QUOTE="hwy40, post: 520325, member: 26078"] Whatever your choice, one thing that I thought of when I saw this thread is an article I read in the May? 2006 issue of Shooting Times. They did a velocity test using a short action rifle in .308 I think. They shot several rounds over the chrony, recording each, and then cut the barrel down one inch at a time, recording the velcity of several shots, starting at 24 and ending at 16. The conclusion was that the velocity loss in a short action cartridge is roughly 5% between 24 and 16 inches due to the fast powders used in the 308 family. To put that in perspective, shooting a 308 using Hornady Superformance 165gr SST ammo rated at 2840fps you can cut the barrel down to 16" and still get 2698fps. The difference in drop at 400 yards is approximately 1.5". Go with a light, short barreled rifle and enjoy the hell out of it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Short barrelled truck gun cal choice?
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