Noveske Rifleworks N4 Carbine Receiver Extension (Buffer Tube) Assembly
The Noveske N4 Receiver Extension is a standard 6-position receiver extension tube for AR15/M4 rifles.
Carbine length, milspec diameter of 1.148″. Impact extruded 7075-T6 aluminum, Type III hardcoat anodized.
Includes castle nut and QD end plate.
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