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.