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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 SIN Testing
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<blockquote data-quote="highridge1" data-source="post: 521203" data-attributes="member: 10327"><p>I had a custom 338 edge with a 30 inch barrel plus brake and my load with 300 gr smk was 2840 fps. My new custom 338 ultra with 300 gr smk is running 2760 fps with a 26 inch barrel that's only 80 fps.Punching these numbers into a ballistic calculator I don't see any real advantage to have 30 + inch barrels unless a guy is running like a 338-378 or bigger.The 24 or 26 inch barrel is going to have less barrel whip and is much more portable.I think I may even be able to run this 338 ultra around 2800 fps with the 300 gr in the 26 inch barrel with a bit more testing.I think the standard 338 ultra and the 338 sin make alot of sense.</p></blockquote><p></p>
[QUOTE="highridge1, post: 521203, member: 10327"] I had a custom 338 edge with a 30 inch barrel plus brake and my load with 300 gr smk was 2840 fps. My new custom 338 ultra with 300 gr smk is running 2760 fps with a 26 inch barrel that's only 80 fps.Punching these numbers into a ballistic calculator I don't see any real advantage to have 30 + inch barrels unless a guy is running like a 338-378 or bigger.The 24 or 26 inch barrel is going to have less barrel whip and is much more portable.I think I may even be able to run this 338 ultra around 2800 fps with the 300 gr in the 26 inch barrel with a bit more testing.I think the standard 338 ultra and the 338 sin make alot of sense. [/QUOTE]
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338 SIN Testing
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