300 WIN MAG: - Barrel:�24�superior quality stainless steel (416R) with 5R rifling 1:10 twist = Overall length: 45.5 - Weight: 10.2 lbs - 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�(�In the picture it's still aluminum but it won't be for production) - Grip: Standard - BCG: Custom design - Charging Handle: Custom design - AR-10 Compatible parts: Lower parts kits trigger safety