The Mossberg 940 Pro Tactical comes optic-ready, with receiver cuts that accept low-profile direct mounting of Shield RMSc-pattern micro dot sights- for improved eye alignment and target acquisition. Features Optic Ready Clean-running gas-vent system Quick-empty magazine release Adjustable length of pull Drill and tapped receiver Adjustable for drop at comb/cast Fiber optic sight Barrel clamp with M-LOK mounting slots Specifications: Gauge: 12 Gauge Action Type: Semi-Auto Chamber Size: 3" Usage: Security Barrel Length: 18.5" Barrel Finish: Matte Blue Choke: Accu-Choke System- Cylinder Bore Choke Installed Capacity: 7+1 Length: 37.5" Length of Pull: 12.5"-14.25" Length of Pull Type: Adjustable Sights: Front Fiber Optic, Optic Ready Stock: Adjustable Length of Pull, Case, Drop- Synthetic, Black Weight: 7.5 lbs