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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Crimping ?
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<blockquote data-quote="jbs2014" data-source="post: 1564643" data-attributes="member: 94052"><p>I load 77 grain TMKs. I put a slight crimp on them, just enough to keep them from moving when the bolt slams them in the chamber. What I did was make a dummy round, put a slight crimp in it, put it in the magazine, then release the bolt catch so it chambers under the full force of the buffer spring, and eject the round. If my measurements show any change in COAL then I increase the crimp. Once the crimp is good then I leave the die set. So far I have an ES of 10 FPS with 24.8 grains of Ramshot TAC.</p></blockquote><p></p>
[QUOTE="jbs2014, post: 1564643, member: 94052"] I load 77 grain TMKs. I put a slight crimp on them, just enough to keep them from moving when the bolt slams them in the chamber. What I did was make a dummy round, put a slight crimp in it, put it in the magazine, then release the bolt catch so it chambers under the full force of the buffer spring, and eject the round. If my measurements show any change in COAL then I increase the crimp. Once the crimp is good then I leave the die set. So far I have an ES of 10 FPS with 24.8 grains of Ramshot TAC. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Crimping ?
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