King Arms 40 Round Magazine for WA Gas Blowback Rifles 6mm (0.23-0.66g) Fits in standard Beretta holsters

Fits in standard Beretta holsters (M9) like the Cytac

Knee pads come in a variety of colors:  Black

Glow in the dark RED color airsoft BBs

14mm CCW 3-lug metal threaded outer barrel (easily attach flash hiders or faux suppressors)

If you prefer to use bushings over bearings

King Arms 40 Round Magazine for WA Gas Blowback Rifles 6mm (0.23-0.66g) Fits in standard Beretta holstersFeatures Compatible with King Arms, Western Arms and other compatible M4 M16 GBB rifles 40 round capacity Durable metal alloy shell Lockback feature locks bolt open after last shot on compatible guns Realistic matte grey finish Manufacturer: King Arms Specifications: Color: Grey Compatibility: King Arms, Western Arms and other compatible M4 M16 GBB Airsoft rifles Capacity: 40 rounds Gas Type: Green gas propane