Looks like it is closer to 80%. Just need a mill and a few bits. I would just use a Stencil off a standard receiver. JMHO
Looks like it is closer to 80%.That's what the person who sent us two 80%'s for the raffle at our PATCON said.
Brock, That can be completed in under 4 hours with a good machinist. Duracoat would be the quickest finish to use. Forgot to ask. Is the back part threaded? Easy to remedy if not.
I'm not sure, but the letter from the ATF is at this link which would probably tell you.http://www.ar15.com/forums/t_2_274/204687_95__AR_15_Lower_Receiver__ATF_Approved_____Shipping_Now_.html