7.5" Wilson Arms 9mm AR 9 PCC Pistol Upper Assembly 4150 Chrome Moly Barrel 1x10 Twist 7" Carbine Length Gen 2 Rail
*Milspec forged aluminum upper receiver with forward assist and dust cover
assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class 2. M4
feed ramps. Forged from 7075 T6 aluminum.
*New Narrow Profile 7" Gen 2 Carbine length free float quad rail with steel barrel nut.
*7.5" WILSON ARMS 4150 Hardened Chrome Moly Steel Barrel with 1x10 twist. 1/2x36 muzzle
threads. This barrel comes from Wilson Arms. Wilson Arms is the barrel manufacturer for Rock River Arms.
*A2 Flash hider with crush washer.