AIRTECH STUDIOS ARP BATTERY EXTENSION UNIT LOCKTIGHT swept back design for a

swept back design for a thumb-over-bore grip style

This metal Glock magazine is designed for the Lambda Defense GHM-9 Gas Blowback (GBB) submachine gun

reinforced version 3 gearbox with steel gears mounted on reinforced 7 mm bearings

Includes a Picatinny M1913 low mount and a 1

AIRTECH STUDIOS ARP BATTERY EXTENSION UNIT LOCKTIGHT swept back design for aAIRTECH STUDIOS G&G ARP9 ARP556 BATTERY EXTENSION UNIT This airtech arp battery extension solves common battery and wiring issues for g&g arp series rifles while maintaining the gun's compact size. Airtech ARP Features allows for space to install the mosfet and wiring without excessive bending or damage. enables the use of higher capacity batteries perfect if you are using the g&g drum magazine in a support role. eliminates wobble in the buttpad by