300 rounds, one wind
This JG hi-cap magazine holds around 300 6mm BBs for P90 series airsoft AEGs. Unlike M4-style hi-caps that need repeated winding, the P90 magazine uses a large feed spring so a single wind of the base wheel will feed the whole magazine, making it well suited to sustained fire and support roles.
How it loads
BBs load through the fill port at the rear. Pull the spring tab back past the trap door, open the hatch and pour in your BBs, then close it and wind the wheel at the front until the mechanism is charged. From there it will keep feeding on semi or full auto until empty.
P90 platform fit
It is shaped to sit along the top of the P90 in the usual PDW layout and is a like-for-like match for the standard hi-cap supplied with many P90 replicas. It is a popular replacement or spare for JG and other compatible P90 AEGs.
Spare or replacement
A second hi-cap means far less reloading during a game, and it is a straightforward swap for a lost or damaged original. Keep it topped up between games and give the gun a light forward jerk if BBs ever bind, which frees the feed spring.










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