King Arms 40mm Cartridge W/ Rubber Bullet Head Top Rail Improves Firmness of the chamber

Improves Firmness of the chamber & stabilizes the muzzle velocity

The reason being is that the long contact patch nub inside doesn't readjust itself to fit the BB's profile as it gets squeezed through the bucking

Store up to 8

squeeze them and the front sight should slide off

Design for Airsoft Rifle

King Arms 40mm Cartridge W/ Rubber Bullet Head Top Rail Improves Firmness of the chamberGas powered airsoft launcher cartridge Grenade Shower Shell Shoot out a LARGE RUBBER BULLET like the real thing Constructed of reinforced metal alloy Fit all 40mm Launcher: STAR, CA, Mosquito Mold, Sun Project, G&P M203 Launchers & CAW M79 Contain 1 Shot of Rubber Bullet Head A very large & huge cloud of gas is emitted when fired!! All Cartridge were produced by Computer Numeric Control (CNC) Lathe, fine surface & slot polishing Ensure shower can