The Griffin Armament CAM-LOK Piston Barrel Adapter (brand part no. PI57828), .578×28 thread, is the barrel half of Griffin’s patented CAM-LOK quick-detach mounting system, with a taper-lock interface that resists loosening under recoil and a QPQ nitride finish over 17-4 stainless steel; the piston half is sold separately.

Key Specifications

• .578×28 thread.
• 3 mounting positions, 120 degrees apart.
• 17-4 stainless steel, QPQ nitride finish.
• Piston sold separately.

Frequently Asked Questions

Does this include the piston? No, this is the barrel adapter half; the CAM-LOK piston is sold separately.

What thread is this adapter? .578×28.

Buy the Griffin Armament CAM-LOK Piston Barrel Adapter, .578×28

Add this to your other gun accessories and parts lineup, shipped from our Lubbock, Texas gun shop.