From Specna Arms ONE Series we have the SA-A38 Carbine, a M4 with a 13" Rail System.
The SA-A38 Features a 13" Predominatly MLOK but with some Intergrated RIS Pieces fron rail system, Detachable Iron Sights as well as the usual characterictics of a standard M4 Based RIF. Constructed of Zinc Aluminium Alloy and Polymer, it is durable with a good weight. Internally it is built on Specna's Version 2 Gearbox with Quick Change Spring System and Polymer rotary Hop Unit.
Specification:
390MM Inner Barrel
14MM CCW Treaded Muzzle
Rear Wired to Mini Tamyia
SAFE/SEMI/AUTO Fire Modes
Whats in the Box?
Specna Arms SA-A38 ONE Carbine
Specna Arms M4 High Capacity Magazine
User Manual