Nuprol Magazine M4 Ver 2 30rnd Open Tan designed for open bolt only Gas Airsoft M4 variants. This magazine holds up to 30 BBs at a time and the GAS valve is located in the base of the magazine. Easy to strip and maintain for throughout the year use with the right gas. The top of the magazine has a bolt release button which when turned on will lock your bolt back at the end of it’s cycle then you magazine is empty. This function can be disabled by moving the switch position.
Open Bolt Magazine
Type: Low-Cap (Gas Powered).
Magazine Capacity: 30 Rounds.
Material: Alloy shell, with Alloy Gas well.
BB Empty catch, can optionally be set to keep the weapon cycling when empty.
Reliable throughout the year.