CYMA CGS Type-S High Speed Steel Bolt Carrier Set for Marui MWS M4 GBB Recoil Springs & Assembly MODULAR web attachment points on

MODULAR web attachment points on entire vest profile provide maximum versatility

For H&K fans

Fits most but not all M4 and M16 series airsoft guns

Introduced in the 1960s

Due to it’s transparent plastic you can keep track of how many BBs you have left in your gun

CYMA CGS Type-S High Speed Steel Bolt Carrier Set for Marui MWS M4 GBB Recoil Springs & Assembly MODULAR web attachment points onManufacturer: CYMA CGS SKU : CGS SY 0003 Machined steel bolt carrier High speed version 17 20 RPS approx. Roller bolt end Complete Type S M4 style bolt carrier with loading nozzle Fit RS spec buffer tube inner diameter 25. 5mm For Tokyo Marui MWS AR M4 gas blowback rifle airsoft