AIRTAC - Golden Eagle M4 HPA ADAPTER (MODULAR) - PLUG AND PLAY LED you must first remove the

you must first remove the HPA kit

02 tight bore -- 440mm (WE-09-2)

It can take an M220 spring (5 Joules)

Viewing window facilitates ammunition monitoring

AIRTAC - Golden Eagle M4 HPA ADAPTER (MODULAR) - PLUG AND PLAY LED you must first remove theThis adapter allows you to run HPA on your Golden Eagle M4 (and the various guns that use their base design if your gas mag looks similar to the image below, this is the adapter for you). (WESTERN ARMS GAS BLOWBACK SYSTEMS) DOES NOT REQUIRE A DONOR MAGAZINE, JUST PLUG AND PLAY Plug and play ready! Adapter pre fitted with the standard M4 mag well CNC Mag Release and Feed Tube BB retention mechanism to reduce BB loss during magazine changes US Style