18" Proof Research - 6mm ARC build and testing - factory and handloaded ammo
#20
Dang PP, sorry to hear you had such bad first range day. Not trying to add insult to injury but I have shot 170 rounds of the 105’s through my cmmg barrel without incident. Do you have a hornady oal gauge? if you do let me know, I have a modified case for the arc, just have to work out the details to get it to you so you can measure that chamber good.

Trashy
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RE: 18" Proof Research - 6mm ARC build and testing - factory and handloaded ammo - by Trashy - 08-15-2020, 12:43 AM

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