5KU TM Hi-Capa/1911 Aluminium Blowback Housing - Purple Nuprol Use this Inlet Adaptor if

Use this Inlet Adaptor if the stock outer diameter of your M4P M4A M4W M4I hop-up chamber is not the good size to centre perfectly

The kit is also compatible with a range of aftermarket Picatinny stocks

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5KU TM Hi-Capa/1911 Aluminium Blowback Housing - Purple Nuprol Use this Inlet Adaptor ifThe 5KU aluminium blowback housing (BBU) is a lightweight yet robust upgrade part designed to add extra performance to your Hi Capa. The aluminium adds extra structural rigidity which in turn allows the shooter to run the pistol faster and harder. This part works with other TM Hi Capa parts and upgrade parts. Compatibility: Tokyo Marui Hi Capa Series Airsoft Pistols