

Bore-Up Kit for M4-A1 / RIS / SR16 / M733
Bore-Up Kit for M4-A1 / RIS / SR16 / M733
To set to work effectively it is recommended to use springs or stronger S120.
Set contains _
- Cylinder of an enlarged diameter
Photos - caulked, ventilated and Ball-piston head of enlarged diameter
Photos - caulked nozzle set Bore Up
Photos - Aluminum and double sealed cylinder head of enlarged diameter
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Bore-Up Kit for M4-A1 / RIS / SR16 / M733
To set to work effectively it is recommended to use springs or stronger S120.
Set contains _
- Cylinder of an enlarged diameter
Photos - caulked, ventilated and Ball-piston head of enlarged diameter
Photos - caulked nozzle set Bore Up
Photos - Aluminum and double sealed cylinder head of enlarged diameter




















