Caliber: 9mm. Barrel: 5.12”. Capacity: 15+1, 18+1. Features: A USA-built Beretta SA/DA based on the M9 with the addition of a red-dot optic compatible slide, tritium night sights, and enhanced short reset Xtreme Trigger System. Beretta says the M9A4’s Vertex-style vertical (thin-profile) grips allow shooters to “point” the handgun more instinctively. A universal decocking-only slide and Pic rail under the frame for accessories. Tan-Cerakoted aluminum frame; barrel is extended and threaded ½-28” for a suppressor.