PDA

View Full Version : The 556 S.A.B.R.E Mac upper


Bubacus
March 04, 2013, 22:40
I've heard this was in the works, but this video demo's the MAC-11 upper that converts it to a .223, AR mag taking, brass spewing machine!

http://www.youtube.com/watch?v=Lh-IVfXyrBY