The IWI Zion-15 Special Purpose Rifle brings a modern update to the MK12-inspired SPR concept. Built around an 18-inch 4150 Chrome Moly Vanadium SOCOM-profile heavy barrel, the rifle combines a rifle-length gas system with a 17-inch free-float handguard featuring an integrated ARCA rail. The Zion-15 SPR is equipped with an IWI Precision Match two-stage trigger, adjustable B5 Systems stock and grip, and a polymer NATO STANAG magazine configuration. Proudly manufactured and assembled at the IWI US facility in Middletown, Pennsylvania, the rifle includes one 30-round Magpul PMAG. Specifications Manufacturer: IWI US Model: Zion-15 SPR Model Number: Z15SPR18 Caliber: 5.56 NATO Action: Semi-Automatic Operating System: Direct Impingement Barrel Length: 18 inches Barrel Material: 4150 Chrome Moly Vanadium Barrel Profile: SOCOM Profile Heavy Barrel Gas System: Rifle-Length Rifling: 5R RH Grooves Twist Rate: 1:8 Handguard: 17-inch Free-Float Handguard Features: M-LOK with Integrated ARCA Rail Barrel Nut: Steel Stock: Adjustable B5 Systems Grip: B5 Systems Trigger: IWI Precision Match, 2-Stage Magazine Type: Polymer NATO STANAG Magazine Capacity: 30 rounds Magazine Included: 1x 30-round Magpul PMAG Overall Length: 31.5 inches collapsed / 34.75 inches extended Weight: 7.6 lbs. Country of Manufacture/Assembly: USA Get it at BattleHawk Armory!