MAGAZINE TOP-GAS O RING SET 

Material:Nylon plastic Weight:10g    

BEARING HUMMER PIN SET

Material:Aluminum Weight:20g    

120% HUMMER SPRING 

Material:Steel Weight:20g

STEEL OVER SIZE MAG RELEASE

Material:Steel Weight:20g    

STEEL HUMMER LOCK 

Material:Aluminum Weight:20g

PA0207 SPEEDPLATE FOR KSC G17

·KSC G17 magazine dedicated quick pull bottom cover, you can quickly pull out and use in the game

·Need some hands-on ability