.SRC TTI JW3에 


Maple Leaf 2021 Decepticons Hop Bucking for Marui GBB


https://www.wgcshop.com/products/maple-leaf-2021-decepticons-hop-bucking-for-marui-gbb?variant=32699629535313


Maple Leaf Hop-Up Chamber Assembly for Marui / KJ / WE Hi-Capa GBB Pistol


https://www.wgcshop.com/products/maple-leaf-hop-up-chamber-assembly-for-marui-kj-we-hi-capa-gbb-pistol


요렇게 홉업이랑 챔버 바꿔주려고 하는데, 밑에 챔버는 규격이 살짝 안 맞아서 좀 갈아줘야 한다는데

그런거 해본적 없어서 웬만하면 규격 딱 맞는 거 사고싶거든... 제품 없을까 ?