Aegis - FMG9 Gun Kit police the SR8-C takes standard G36

the SR8-C takes standard G36 SRC magazines

The gas is inserted from the bottom fill valve like any other Gas Magazine

and a full metal gearbox

If you are looking for a ACOG TA31 you wont go wrong with this beauty

1" type CMOS sensor with large pixels for low-light imaging

Aegis - FMG9 Gun Kit police the SR8-C takes standard G36A new version of the orginial KSC KWA FPG. Features : Made of military grade polymer Nylon 66 Frame Extended : 490mm L x 240mm W x 35mm Thickness Folded : 260mm L x 150mm W x 35mm Thickness Suitable for Tokyo Marui , ARMY , WE , UMAREX (VFC) G17 G18 Gen. 3 Series GBB Airsoft Pistol. Not Compatible with Tokyo Marui G18C AEP Pistol Tokyo Marui G17 19 34 Gen. 4 , G26 or G26 Advance GBB Airsoft Pistol Tokyo Marui G17 Series Air Cocking Airsoft Pistol KSC