What's in the Box Marlin 336 Dark 30-30 Winchester Lever-Action Rifle Cable Lock Owner's Manual The Marlin 336 Dark features a threaded barrel, with factory installed match polished radial muzzle break; Nylon reinforced polymer stock with M-LOK attachment slots; cheek riser included for an optimum sight picture when using an optic; Picatinny rail; Fiber optic front sight with a tritium ring; aluminum handguard features M-LOK; Flush cup sockets for QD sling swivels; positive, push-button, cross-bolt manual safety and traditional half-cock hammer. Includes thread protector. Firearm Features Crossbolt Safety Fiber Optic Front / Adj Ghost Ring Rear Sights Muzzle Brake 5 / 8"x24 Thread Adjustable Stock Firearm Specifications Manufacturer: Marlin Model: 336 Dark Caliber: 30-30 Winchester Barrel Length: 16.17" Threaded Twist Rate: 1:11" RH Finish: Graphite Black Cerakote Magazine Capacity: 5 Rounds