Airsoft Logic 7.4V 20-40c 1100 mah Lipo Battery (Nunchuck) Chronographs Durable extended slide stop for

Durable extended slide stop for compatible Marui Glock series pistols

Fantastic milsim experience with this quality barrel extension

The most you will have to do is cut off the circle loop at the top of your spring if your mag is of that design such as KA

Need spring change to decrease FPS for indoor

Airsoft Logic 7.4V 20-40c 1100 mah Lipo Battery (Nunchuck) Chronographs Durable extended slide stop forHigh performance 2 cell Lithium Polymer battery, fits in most M4 buffer tubes, can also fit inside most stocks with battery compartments. 7. 4 Volts 1100 MilliAmp hour capacity 20C constant Discharge Dimensions: 100mm x 20mm x 5mm per panel