SRU SARB15 MARUI MWS GBB SHORT CYCLING BOLT SYSTEM - BLACK iPhone The SRS-A2 receivers are highly

The SRS-A2 receivers are highly lightened (24% lighter than previous A1 models)

plus a little extra in the large size

Barrel Diameter: 6

Material: Aluminum alloy / Steel

SRU SARB15 MARUI MWS GBB SHORT CYCLING BOLT SYSTEM - BLACK iPhone The SRS-A2 receivers are highlyShort Cycling System (S. C. S.) Bolt Kit for Marui MWS System Allows the Marui MWS Rifle to function on the SARB 15 Chassis Includes Marui MWS Bolt, Buffer and Spring Guide Set to work with SARB 15 Chassis Changeable Buffer Springs for Standard, Summer and Winter seasons Does Not Include MWS Nozzle Will Have to Source Yourself 8620 Alloy Steel with Surface Hardening Treatment for Bolt Black Finish