SBR AR15 with Drum Mag and Fwd Pistol Grip Stock Photo - Image of caliber, buffer: 80465712
New M&P 15 pistol. The drum mag is just for laughs. Haven't fired it yet. Looking for suggestions on optics. I have some BUIS to throw on. My other AR setups are
Hennepin Co. Authorities Recover AR-15 Rifle With 100-Round Drum Magazine In N. Mpls. - CBS Minnesota