DealAs Featured in NRA American Rifleman Magazine - https://www.americanrifleman.org/articles/2016/10/28/three-awesome-ar-uppers/ Includes all of the following (Assembled): Ground Zero Precision 7075 T-6 Aerospace Grade Aluminum Stripped Upper Receiver, Hard Coat Anodized (Black) to MIL-A-8625 Ballistic Advantage 16" Modern Profile 300 Blackout Barrel - 4150 CrMoV Steel, QPQ Nitride Finish, Magnetic Partical Inspected, High Pressure Tested - Pistol Gas 1:7 Twist, 5R OPTION 1: Ground Zero Precision Dead Bolt Gen II Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Black Phosphate finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested - No Logo, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Black Phosphate Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec OPTION 2: Ground Zero Precision Dead Bolt Gen II Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Nickel Boron Finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested - No Logo, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Nickel Boron Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec SLR Rifleworks Sentry 7 Adjustable Micro Gas Block - .750 Dia., 4140 Steel Block with 4140 Nexturn Swiss Metering Screw, QPQ Salt Bath Nitride Finish - Black Seemless Stainless Pistol Length Gas Tube with Roll Pin Ground Zero Precision 15" Tac-Hunter Keymod Free Float Handguard - 7075 T-6 Aluminum, Hard Coat Anodized (Black) to MIL-A-8625 A2 "Birdcage" 5/8 X 24 Flash Hider with Crush Washer - Salt Bath QPQ Nitride Finish Enhanced Mil-Spec 6-Position Carbine Buffer Tube - 7075 T-6 Aerospace Grade Aluminum, Hard Coat Anodized (Black) to MIL-A-8625 Mil-Spec Dust Cover Door Assembly with Pin, C-Clip and Spring Mil-Spec Target Forward Assist with Spring and Roll Pin from Ground Zero Precision (Product BA16TH153A) |