22'' Green Mountain Rifled Barrel 1:28" twist. Drilled & tapped. 1-piece removable hammer assembly. Fully adjustable composite rear hunting sight w/front ramp & bead. Unsurpassed in-line ignition system. Full dimension hollow composite stock. Non-adjustable trigger. Removable SS breech plug w/patented Red Hot Nipple. Sling swivel studs. Blue finish.