Umarex (VFC) - 30rds Magazine for Umarex HK416 / AR GBBR (Version 2) T1 stable and solid blowback for

stable and solid blowback for each shot  Suitable for Tokyo Marui M&P9 Series Airsoft Gas Blow Back GBB Rifle  Installation Tips:  Lubricant the whole nozzle inside out with liquid type lubricant oil

which greatly enhances situational awareness and target acquisition speed

Like most airsoft guns

They all have the same Amoeba receiver you've seen on their last product

Umarex (VFC) - 30rds Magazine for Umarex HK416 / AR GBBR (Version 2) T1 stable and solid blowback for30 round gas version 2 magazine for the VFC system gas blow back M4; fits the SOCOM Gear Gas M4. This version is more reliable and will go through more BBs and less cooldown if you do decide to go crazy in full auto. The steel housing adds good weight, realistic feel and not only resistance to wear but eventual wear and tear will add a real environment on steel worn look.