Replace the stock plastic barrel retaining nut and clamp with our sturdy aluminum barrel retaining nut and aluminum clamp. Clamp features M-LOK accessory slots on each side. This allows versatility for a wide range of accessories over the stock QD swivel, including rails and lights.

• Aluminum Extension Cover with Nut.
• Aluminum Clamp with M-LOK Slot.
• Mounting Hardware.
• Fits Beretta 1301 Tactical Mod. 2 and A300 Ultima with Plastic Factory Magazine Extension Cover.