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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
300 Ham'r Velocity Not Up To Expectations
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<blockquote data-quote="Tony243" data-source="post: 1803199" data-attributes="member: 85717"><p>I have an AR15 chambered in the Wilson Combat 300 Ham'r with a 16.25" barrel. Load data on the Wilson website shows 2450-2500 fps with either AA1680 or CFE BLK and the Speer 130gr Hot Cor bullet. Problem is I'm only getting 2260 (Labradar) with a max charge of CFE BLK. I know some of the loss is due to Wilson's 18" test barrel vs my 16.25" barrel, but I was really hoping to be above 2400 fps. My only deviation from the Wilson test, aside from barrel length, is Winchester standard primers. Wilson used CCI magnums in their test.</p><p>I do plan on testing with magnum primers as soon as I buy some, but any other ideas why my velocity is on the low side? I get 2180 fps with my 300 Blackout in a 16" barrel with H110 and Hot Cors, so the extra 80 fps from the Ham'r is a disappointment.</p></blockquote><p></p>
[QUOTE="Tony243, post: 1803199, member: 85717"] I have an AR15 chambered in the Wilson Combat 300 Ham'r with a 16.25" barrel. Load data on the Wilson website shows 2450-2500 fps with either AA1680 or CFE BLK and the Speer 130gr Hot Cor bullet. Problem is I'm only getting 2260 (Labradar) with a max charge of CFE BLK. I know some of the loss is due to Wilson's 18" test barrel vs my 16.25" barrel, but I was really hoping to be above 2400 fps. My only deviation from the Wilson test, aside from barrel length, is Winchester standard primers. Wilson used CCI magnums in their test. I do plan on testing with magnum primers as soon as I buy some, but any other ideas why my velocity is on the low side? I get 2180 fps with my 300 Blackout in a 16" barrel with H110 and Hot Cors, so the extra 80 fps from the Ham'r is a disappointment. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
300 Ham'r Velocity Not Up To Expectations
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