Franklin Armory 0010066BLK Binary OPS-16 5.56 NATO 30+1 16" Black LTW Contour Barrel, Black Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, B5 SOPMOD Black Polymer Stock, B5 P Type 23 Grip

Specifications: Barrel Length + Type: 16" LTW Contour Handguard/Upper: 15" Barrier Stop Sights: Optics Ready Twist: 1:7 RH Charging Handle: Standard Bolt Carrier: Salt Bath Nitride Lower: FAI Trigger: BFSIII AR-ESSENTIAL Selector: Single-Sided Gas System: Osprey Piston System Gas Block: Low Profile Muzzle Device: Triumvir Color: Black Stock: B5 Systems SOPMOD Grip: B5 Systems P-Grip 23 Caliber: 5.56 NATO