Includes:
Stainless Bore-Up Cylinder
Stainless Bore-Up Cylinder Head
Bore-Up Air Seal Nozzle
Bore-Up Piston Head
- Modify Bore-Up Cylinder Set for AK (GU011701)(4713072162243)
- Modify Bore-Up Cylinder Set for P90 (GU012600)(4713072162335)
- Modify Bore-Up Cylinder Set for M16 (GU011201)(4713072162199)
- Modify Bore-Up Cylinder Set for M4 (GU012201)(4713072162298)
- Modify Bore-Up Cylinder Set for SG (GU012001)(4713072162274)
- Modify Bore-Up Cylinder Set for SM (GU012301)(4713072162304)