The Great Lakes Firearms and Ammunition AR-10 in .300 Win is a meticulously designed rifle for enthusiasts seeking unparalleled performance in long-range shooting. With a 24-inch superior quality stainless steel barrel featuring 5R rifling and a 1:10 twist, this rifle promises exceptional accuracy. The overall length of 45.5 inches and a weight of 10.2 lbs make it a formidable choice for precision shooters. Muzzle Brake: 5/8" x 24, 416R stainless steel Lower Receiver: 7075 Aluminum billet Upper Receiver: 7075 Aluminum billet Handguard: 20-inch Aluminum, M-Lok, with upper picatinny rail Gas Block: .750, 4150 Steel, Black Oxide Coated Gas System: Rifle Stock: Hogue fixed rifle stock, black