Hey YouTubers!! Mr. Blackson here with my Cosaint Arms COS21 9mm Ported/Comp gun back from Cosaint Arms. I had numerous failures to extract using 115gr and 124gr ammo. After stripping it down, I found the extractor hook was chipped and had no tension. This is the final verdict review after a week with Cosaint Arms.. What will be the final verdict?


#teamblacksmith #blackownedguns #cosaintarms #COS21 #theguncollective #bunkergunshop #gun_collector #mrblackson #ds1911 #2011 #2a_armament #2agun #dailygundose #frankbank

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