The M762 is built on billet lower and upper receivers, uses standard Magpul 308 Pmag or DPMS pattern metal magazine, comes with a MIL-STD 1913 Picatinny 13? Rail with mounting holes on 3 sides for Magpul L-4 Rail Panels. Comes standard with 2-20rd Magpul Pmags, small hard case with custom cut foam, 13? QD Rail, FN Hammer Forged 16? 7.62 NATO chambered barrel and Magpul Stock and Grip. DRD Tactical M762 7.62 NATO Takedown Rifle