General Overview: EDGE Lightweight Blowback Unit - YouTube
EDGE Custom Ultra Light Aluminum Blowback Housing for Hi Capa - Airsoft Extreme
COWCOW Technology B01 Aluminum Dynamic Blowback Housing for Tokyo Marui Hi- Capa 5.1 GBB - Silver | RedWolf
Sleeper build hi capa almost finished. Just need to find a new grip I like, black hammer and a new blow back housing. : r/airsoft
AW Custom Blowback Housing for HX Series Hi-Capa Airsoft Pistols, Accessories & Parts, Gas Gun Parts, Blowback Unit Parts - Evike.com Airsoft Superstore
NOVA CNC Aluminum Adjustable Blowback Housing BBU For Marui Hi-Capa / MEU / 1911 GBB Series ( Black / Silver )
Airsoft Masterpiece EDGE Ultra Light Aluminum Blowback Housing V2 for – Full Auto Airsoft Inc
CowCow Tokyo Marui HiCapa Blowback Housing
CowCow Technology CNC Aluminum Blowback Housing for TM Hi-Capa/1911 Pistols ( Black )