Shop › CHIAPPA M4-22 G2 UPPR 22LR 16" 28RD CHIAPPA M4-22 G2 UPPR 22LR 16" 28RD $368.89 Chiappa Firearms M422-Gen II Pro, Rifle Conversion, Upper Receiver, 22LR, 16" Heavy Barrel, 11.8" Forend, 8 Position Picatinny Rail, 2 Magazines, Black, 28Rd 500.095 Quantity: Add To Cart Added! Chiappa Firearms M422-Gen II Pro, Rifle Conversion, Upper Receiver, 22LR, 16" Heavy Barrel, 11.8" Forend, 8 Position Picatinny Rail, 2 Magazines, Black, 28Rd 500.095