B&T APC9K PRO 9mm, 4.3″ Threaded Barrel, Black, Telescopic Brace Adapter, 30rd The APC9 PRO features functional updates that include dual auto-folding, non-reciprocating charging handles, improved lower receiver ergonomics, a replaceable pistol grip, and M-LOK accessory slots. Manufacturer : B&T USA Model : APC9K PRO Action : Semi-Automatic Caliber : 9mm Barrel Length : 4.3″ [...]