THE 5-SECOND TRICK FOR GUN STOCK

Dimensionally the same as the normal bottom cap by using a 3-slot part Picatinny rail built-in. The rail part is created to be parallel on the bore. CNC machined aluminum with black anodization. Take out regular bottom cap and install new base cap with Picatinny rail part. (?)Your neighborhood FFL supplier will carry out a background Verify on you