Mitsui Recoil Mounting Kit Brand: Scorpion Part Number: 338-41-016-00-Kit Notes: NOS Mitsui Recoil Mounting Kit - Includes 4 Clamps (338-41-016-00), 4 Bolts (000-41-750-30), 4 Lock Washers (000-40-422-08). Your choice of style of screws. Either slotted head for a screw driver or allen head (metric). Price: $20.00