O-ring included

RESILIENCE AND STRENGTHDESIGNED WITH TOKYO MARUI COMPATIBILITYPROTECTS YOUR INTERNALS

it will always be limited to the tolerances and the weight of the BBs used

lightweight rail (new)

1 x New Electronic Module and Cable set

CowCow Technology SS Hammer Set for Tokyo Marui G m4 receiver parts O-ring includedSS G Hammer SetHighlighted featuresPrecision CNC machined Stainless SteelMAF Polishing Technology for greatly smoother operationDurable construction prevents warping under hard useHammer set including hammer, sear & firing pinFor TM G17 Gen3 and Gen4 & G19 Gen3 and Gen4**Important Notice**It may has a condition that your pistol cannot feed the BB bullet due to lightweight gas supply. You just simple remove a spacer to solve the issue. Alternatively,