Caliber: 5.56 NATO-223 Rem. 16.5″ barrel with 13.5″ handguard, new B&T 3D-printed titanium design. B&T-produced grip, Super Dynamic Combat trigger with flat-shoe design. Fully ambidextrous rifle, piston operating system optimized for use with suppressors. Adjustable gas valve, hydraulic buffer system to reduce felt recoil and muzzle rise. B&T accessories include folding and telescoping stocks, interfaces, handguard enhancements, optic mounts, and suppressors. Swiss company Brügger and Thomet Feintechnik formed in 1991 as suppressor manufacturer. Company name changed to B&T AG in 2011. B&T USA (BT-USA.com) is based in Tampa. APC (Advanced Police Carbine) line includes new PRO variants. Values are for the APC223 Sport 5.56; add 44% for the Pro variant.