Posted 1/17/2012 13:08 (#2167294 - in reply to #2167273) Subject: Re: machinery AR-15 slide-fire
Never heard of them, but it looks like the same thing as bump firing which can be done with a regular stock if you practice. Just make sure if he starts using lacquer coated steel cased ammo not to leave one in a hot chamber or he'll have fun getting the case out.
machinery AR-15 slide-fire
