KRYTAC Air Nozzle w/ O-Ring for M4/AR-15 AEG

If you're building a gearbox from scratch or have some repairs to carry out, the KRYTAC Air Nozzle w/ O-Ring for M4/AR-15 AEG is a handy spare to have around just in case. This nozzle is the same used in the KRYTAC Trident and REC7 range, constructed from polymer with an inner O-ring to enhance air seal qualities. Compatibility-wise, this nozzle is designed for version 2 gearbox-equipped M4/AR-15 AEGs and has an overall length of 21.15mm.