Quick view Sale Rock River Arms Rock River Arms AR1222 CAR A4 5.56x45mm NATO 16in - 35098 $1,029.00 $808.50 The lar-15 car a4 comes with a forged a4 upper receiver and 16" barrel made of chrome moly with a 1:9 twist.A2 flash hider.A2 front sight gas block assembly.Trigger is two stage.Comes with an ar grip.Car a4 with 6-position tactical stock .Metal Finish:... Compare Add to Cart