The Chiappa Gen II Pro Series carbine upper conversion kit is the latest evolution of the Chiappa M4-22 series. This particular conversion kit features a 7.8" free floated aluminum forend with 8 position picatinny rail. This upper features a 16" barrel steel bolt and mil-spec components. This upper is designed to connect directly to your standard AR-15 lowers and he conversion does not require any permanent alteration to your existing firearm. The Chiappa upper allows for the use of any Atchinson style conversion magazines to be used.
Specifications and Features: Chiappa M4-22 Pro Gen II Complete Upper Assembly CF500.093 .22 Long Rifle 16" Barrel length 1:16" Twist rate 7.8" free float aluminum forend with picatinny rail (Carbine length) Dedicated complete upper Blowback operation Converts any Mil-Spec lower to .22 LR 28 round magazine Uses Atchinson style conversion magazines No permanent firearms modification required Overall length 23.7" Overall weight 4 lbs Matte Black Finish