WE-Tech Hi-Capa 5.1 Green Gas Magazine Frames & Grips Compatibility – M4 airsoft guns:

Compatibility – M4 airsoft guns: Systema / KWA / GHK / G&P / VFC / Tokyo Marui (GBB only and requires adaptor ring)

One-piece metal magazine for TM/KJW SIG P226

Inner Barrel:~350mm (Standard AEG)

this is an authentic / licensed "H&K Airsoft MP7" that is directly manufactured by H&K licensee Umarex USA (OEM by KWA)

WE-Tech Hi-Capa 5.1 Green Gas Magazine Frames & Grips Compatibility – M4 airsoft guns:WE Spare Magazine for HI CAPA 5. 1 4. 3 3. 8 Series Airsoft Gas BlowbackFeatures: 30 round capacity Metal alloy construction Polymer bumper Color: Black Compatibility: We Tech, Tokyo Marui and other similar Hi capa airsoft pistols Capacity: 30rd Gas Type: Green gas Manufacturer: We Tech