Quality components make all the difference when crafting your firearm, and this Ghost Firearms Elite .300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for a rugged structure that's also lightweight. Each Ghost Firearms Elite .300 Blackout Upper Receiver w/ Pistol-Length Gas System also includes an M-Lok free float hand guard that can host a variety of accessories that will improve your performance in the field. Every aspect of these uppers is built with high-quality materials for a long service life and reliable, repeatable performance. Create an unstoppable rifle with the help of this Ghost Firearms Elite .300 Blackout (7.62x35) Upper Receiver. Specifications for Ghost Firearms Elite 10.5 in .300 Blackout Complete Upper Receiver with Flash Hider: Manufacturer: Ghost Firearms Caliber: .300 AAC Blackout Barrel Length: 10.5 in Barrel Profile: 4150 Light HBAR Gas System Length: Pistol Length Barrel Twist Rate: 1-8 Muzzle Device: A2 Flash Hider Condition: New Handguard Length: 9 in Gun Rail: M-LOK Included Accessories: A2 Flash Hider Magazine Included: No Features of Ghost Firearms Elite .300 Blackout Upper Receiver: A2 Flash Hider/Muzzle Device 1:8 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms M-Lok Free Float Hand Guard Ghost Mil-Spec 7075 T6 Upper Receiver Package Contents: Ghost Firearms Elite .300 Blackout Complete Upper Receiver