Description
The Mk4 PDW is a small, compact pistol equipped with the RKM7 KeyMod free-floating hand guard and a nitrided 4140 CrMo steel barrel with a medium taper profile. It has a Magpul MOE pistol grip, single stage trigger and a magazine.The muzzle is A2 comp. and threaded 1/2-28. This 22LR model has a 9″ barrel and black metal finish.