The G&G STP45 GAS 30R Magazine is a high-capacity airsoft magazine designed for G&G STP45 gas blowback pistols. This 30-round magazine delivers consistent performance and reliability during extended skirmishes. Built with durable construction to withstand regular use, it features a secure feed system that ensures smooth ammunition cycling. The gas-powered design provides realistic blowback action for an authentic shooting experience. Compatible exclusively with G&G STP45 platforms