Mechlabs Nexxus SA engine 6mm (0.23-0.66g) Fits AKM pattern rifles with

Fits AKM pattern rifles with a stamped receiver (7

Construction: Polymer

etc) rear wired

This ARP 9 airsoft CQB carbine comes with a 9mm style magazine that holds up to 300 rounds

Mechlabs Nexxus SA engine 6mm (0.23-0.66g) Fits AKM pattern rifles withMechlabs brings you the Nexxus series engine for the M4 AR15 platform. The Nexxus is a full mechanical engine capable of firing in Sem Automatic and Full automatic with flip of the selector. No need for batteries just hook up your HPA tank and you are ready to rock. It also boasts an Ultra Fast trigger pull and is very efficent on air up to 3000+ shots with a full 48 4500 tank. The Nexxus engine comes ready to attach to your external HPA regulator set