For Sale/Trade: Forest Grove MSAR AUG 5.56 16 inch Barrel, with Upgraded Top Rail. Optic not included. 1 x 20round MSAR/AUG Mag 1 x 30round MSAR'AUG Mag 1 x 40round MSAR/AUG Mag Gas piston Operated Ejects LEFT OR RIGHT Quick Change Barrel System Chrome Lined Barrel two position quick-swivel for grip Will Take MSAR E4 Stock, for standard AR MAGS Muzzle brake threaded for Can. Rifle is in perfect mechanical/cosmetic condition. Shorter than an average SBR AR15 but has a full 16" barrel This generation of the rifle accepts all Steyr Aug magazines Looking for: Ps90 with rail and sig optic. FNX/P 45 Tactical w/RMR $1550obo . Thank you!