G&G STP45 Pro 8" (CNC Metal Version) + Extra Magazine & Hard Case Item Type_Key Box but it does not fit

but it does not fit other brand's of MP5 that have wider mount bases (e

You can find them here

simply attach a push-on stock tube and tighten its mounting screw inside the tube

The rifle is magazine fed

Pistol and optic shown for reference

G&G STP45 Pro 8" (CNC Metal Version) + Extra Magazine & Hard Case Item Type_Key Box but it does not fitHeavily influenced by the Staccato style of pistol, the G&G STP45 has fantastic looks and performance to boot. Sports a CNC machined slide with a slick Cerakote finish on the frame. Metal parts include the slide, frame, trigger, hammer, slide release, sights, guide rod, disassembly lever, safety and magazine. Very dense polymer used on tactile grip. Includes 2 magazines. Serrations on slide for extra grip, weight reduction and style. New PAI hop up