Speed 475A -475 & Boss 75K1-75K2

1 – 3" Plunger Housing, 2 – Piston Ring, 3 – Piston W/Ring, 4 – Piston Tang, 5 – Tang Spring, 6 – Barrel, 7 – Tang Cap, 8 – Barrel Housing Weldment, 9 – Handle Screw W/Washer, 11 – Trigger Assembly, 12 – Trigger Spring, 13 – Handle, 14 – Hinge Pin, 15 – Sear, 16 – Sear Spring, 17 – Set Screw, 18 – Firing Pin Housing, 19 – Firing Pin Housing Spring, 20 – Firing Pin, 21 – Firing Pin Spring, 22 – Handle Screw (Long), 23 – Ejector, 24 – Ejector Spring, 25 – Handle Screw (Short), 26 – Rubber Cushion, 1 – 1-1/2" Plunger Housing (475 & 75K1 Only), 2 – Piston Ring, 3 – Piston W/Ring (475 & 75K1 Only), 6 – Barrel (475 & 75K1 Only)