KWA/KSC GBB M4 / HK416 시리즈용 홉업 고무 셋트입니다.

홉업 고무는 ​70 °이며, 색상은 하늘색입니다.

Hop up lever made from stainless steel with integrated design for better sealing

O-ring fixed for easy assembling

Including "SUPER" GBB Hop Up Bucking, 3 kinds of degree for choosing

Compatible with KSC / KWA rifle series (except MP7)