Hogue - Govt. Model S&A Mag Well G10 - G-Mascus Black/Gray for 1911 Colt M4A1 -Pistol Power Source HFC134a &

-Pistol Power Source                                      HFC134a & HFC22 Gas

You need to nearly dissebling the guns completely in order to change the spring in the gear box

High Density Nylon Fabric Construction

this stock AEG shoot out 405FPS muzzle power nicely out from the package  ASR116 standard comes with Silver Edge Gear Box

Hogue - Govt. Model S&A Mag Well G10 - G-Mascus Black/Gray for 1911 Colt M4A1 -Pistol Power Source HFC134a &Hogue Extreme series grips are machined from aerospace grade 6061 T6 aluminum. Precision machined from solid billet stock to exacting specifications, their grips are designed for a lifetime of use. Aluminum grips are hard, Type III, anodized and available in a variety of colors and style. Hogue Inc. has a new, patent pending method of producing G10 material called G Mascus?. This method produces different patterns within the colored material which