We take a look at this 7″ AR15 upper in .223 (5.56×45)
This short AR upper can legally be used with an SBR (NFA Registered – Short Barrel Rifle) or with an AR15 Pistol lower receiver.
We take a quick look at both options with this 7″ AR15 upper
Watch how this short AR15 works at 530 yards !!
Filmed at Three Points Public Shooting Range:
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