Willwood487
Willwood487 14 May 2018
37

300 blackout 185 gr Lee accuracy test using a (GI mag.)

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I was seeing a issue with the last round in the P-mag.I switched over to a GI magazine and it helped.I sized this bullet that drops at @3.13 down to a .311 and then down to a .309. With IMR4227 powder I think i found a decent hunting load.

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