The Advanced Police Carbine (APC) series was designed for the demands of today's police" special forces" and military units around the world. As the hallmark of the B&T line" the APC series represents the ultimate in performance" reliability" and accuracy. The APC family includes the flexible and adaptable APC9/40 & 45/10mm" the rifle caliber APC223/556/300 line" and the ultimate in semiautomatic precision" the APC308. With a comprehensive suite of accessories created specifically for these platforms" the APC series represents a breakthrough in customization and modularity for every operator" and every specialized mission. Pro Series New to the APC Series are the PRO variants of the APC9/40/45 and 10mm. These models have received the PRO treatment" bringing a new level of performance and ergonomics to the APC platform. All PRO models feature a dual auto-folding" non-reciprocating charging handles" improved lower receiver ergonomics including a side positioned bolt hold open/release" replaceable M4 compatible pistol grip" and Magpul M-Lok accessory slots.