The Stag 15 Super Varminter (6.8 SPC II) was specifically designed for game hunters. This rifle uses the 6.8 SPC II cartridge for extra power. This rifle features a 6.8 SPC with a SAAMI SPEC II chamber 20.77" 1/11 barrel, 11 degree target crown, 16.5" SL handguard & Magpul MOE pistol grip and fixed rifle stock, and a mil-spec Black Nitride coated M16 BCG Every complete AR15 rifle from Stag Arms comes with a Transferable Lifetime Warranty, an Infinite Shot Barrel Guarantee and a magazine.