ratech m4 mws gbbr complete receiver gbbr

AIRSOFT USE MAINAN ONLY YA... RA-TECH Daniel Defense authorized engraving 7075-T6 hard anodized aluminum alloy forged body RA-TECH Frame Latch RA-TECH 6061-T6 Hard Anodized Aluminum Extruded Stock RA-TECH Stock Fixing Ring RA-TECH Stock Fixing Plate The grip screws on the gun body are M6. If you want to use the original grip, you will need to enlarge the grip screw holes for installation, but this may cause a gap between the grip and the gun body. It is recommended to replace it with a general GBB specification grip