The LAR-15 CAR A4 by Rock River Arms comes with a forged A4 upper receiver and a 16" barrel made of chrome moly with a 1:9 twist. It also features an A2 Flash hider, an A2 front sight gas block assembly, and a two-stage trigger. The LAR-15 CAR A4 comes with an AR grip and a 6-Position Tactical Stock .
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