WE-Tech - M4 GBBR - Complete Nozzle Assembly
WE-Tech - SMG8 GBBR - Complete Nozzle Assembly
WE-Tech - SCAR/PDW - Magazine Conversion Kit
WE-Tech - M4/SCAR GBBR - Disconnect - Part #54
WE-Tech - M4/SCAR GBBR - Hammer - Part# 50,51,52
WE-Tech - SMG/GBBR - Magazine Feed Lip - Part #133
WE-Tech - G39 GBBR - Gas Release Valve - Part #123
WE-Tech - M4/M16 GBBR - Selector Switch - Part #72