HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD GAS PISTON AR PISTOL UPPER

Pretty much the exact same design since the Nightstick: battery type; battery bay locale and access approach; mounting tactic; safety setting*1; trigger-paddles operation; and many others. Build good quality would seem better in:I am thinking my Combat Master can be on its way out the door now. Zero issues, wonderful gun, but I see it staying a saf