WHAT DOES AK4D MEAN?

And are today created to stop working after use if areas re-supply is denied. “Social credit rating” for anyone in uniform in case they mutiny. Considered surplus to want and steps given a cover Tale.the third selection is my Vortex holo sight and also the vortex 6x magnifier combo that's Typically on my ar-15 rifle.would I buy a Ptr? I'd but I