**COMING SOON - Updated 2026 edition with high quality, near indestructible, injection moulded polycarbonate M4 magwell.** **COMING SOON - Updated 2026 edition with high quality CNC MP5 magwell.** Run M4 mid cap magazines on HPA with your KWA Vector GBB. A valve key is required to assemble this adapter, they are available here. A donor magazine is required for the feed lips, gas router and exhaust valve. If you want a prebuilt version of the adapter, contact me at [email protected] send us a donor magazine, and we will get you an infinite supply of gas routers and feed lips sorted. Run this adapter at 120-150PSI. If purchasing an M4 magwell, your adapter will come with a number of shims that can be used to ensure snug fitment of your M4 magazine. *Drum mag not included with drum base. You can purchase drum here. DO NOT EXCEED 150PSI WITH ANY AIRSOFT HPA ADAPTER. ALWAYS USE AIR REGULATED BY A SECONDARY REGULATOR (EG AT200, WOLVERINE STORM, POLARSTAR MRS). CHECK YOUR PSI BEFORE CONNECTING AIR TO A HPA ADAPTER. NEVER CONNECT OUR EQUIPMENT TO PAINTBALL AIR TANKS OR CO2 TANKS. NEVER CONNECT OUR EQUIPMENT TO A TIPPMAN STYLE HPA LINE
