Barrel: 24 superior quality stainless steel (416r) with 5r rifling, muzzle brake: 5/8 x 24 stainless steel (416r)lower: aluminum billet (7075)upper: aluminum billet handguard: 20" aluminum, m-lok, upper picatinny rail, gas block:.750, 4150 steel, black oxide coated, gas system: rifle, stock: hogue fixed rifle stock, black, magazine: glfa custom aluminum, 5 round, black, grip: standard, bcg: custom design, charging handle: custom designar-10 compatible parts: lower parts kits, trigger, safetyAction: Semi-AutoCaliber: 300 Win MagBarrel Length: 24"Capacity: 5+1Safety: Manual ThumbStock Description: Fixed Hogue OverMoldedMuzzle: Muzzle BrakeReceiver Material: 7075-T6 AluminumTwist: 1:10"Barrel Length Range: 24" to 24.99"Hand: Right HandStock Finish Group: Black