BBF Airsoft M4 Upper Receiver Shim Kit For Tokyo Marui MWS GBB Airsoft Rifle Net-Weight-(g)_362 Umarex (Elite Force) has incorporated

Umarex (Elite Force) has incorporated the same 2-stage recoil spring system found in the Glock 17 Gen 4 pistol

Engraved Realistic Marking on Slide & Frame

0 w/ Flat M4 Molle Front Flap (M Size / Multicam)

Through feedback from the end user

BBF Airsoft M4 Upper Receiver Shim Kit For Tokyo Marui MWS GBB Airsoft Rifle Net-Weight-(g)_362 Umarex (Elite Force) has incorporatedBBF Airsoft AM4 Upper Receiver Shim Kit For Marui MWS GBB Airsoft Rifle Metal Construction Airsoft Upper Receiver Shim Kit A receiver shim kit is a set of shims that are used to adjust the fit of a your Airsoft Gun receiver to the stock or the barrel Various thicknesses to allow for precise adjustments The receiver shim kit is often used to correct misalignment between the receiver and the stock, or to improve the overall fit of the firearm for better