US$ 30.00
but it lost the competition to the M14 rifle
Quick detachable design
Die-Casting Aluminum Frame with Full Steel Rear Chassis Parts
Item Code: M4-18-N
**PS: IT IS A SCOKET SET SCREW
Magazine Base Plate Stop Spring (Mag Part No.417) For KWA HK417 GBB Rifle Category_Bolt Cover but it lost the competition
US$ 30.00
US$ 116.00