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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer Bullets shoulder design
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<blockquote data-quote="dougduey" data-source="post: 1658685" data-attributes="member: 33159"><p>I have a 1:8 twist, too........that's why I haven't tried the 131's. I don't think they would be stable enough. The 124's shoot great. Did some final load development and velocity checks on them today. If I'm shooting well, they are easily 0.25 moa or less. I was surprised by me velocity since early on in development I was getting around 3150 fps. Today it was 3240 fps using 55.0 gr of H4831. This is a new barrel and I believe I hit the break in point about 2-3 weeks ago because all my loads increased in speed about 50-80 fps, and some are now over pressure</p></blockquote><p></p>
[QUOTE="dougduey, post: 1658685, member: 33159"] I have a 1:8 twist, too........that's why I haven't tried the 131's. I don't think they would be stable enough. The 124's shoot great. Did some final load development and velocity checks on them today. If I'm shooting well, they are easily 0.25 moa or less. I was surprised by me velocity since early on in development I was getting around 3150 fps. Today it was 3240 fps using 55.0 gr of H4831. This is a new barrel and I believe I hit the break in point about 2-3 weeks ago because all my loads increased in speed about 50-80 fps, and some are now over pressure [/QUOTE]
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