16" Multi-Gun Competition Light Weight AR-15 Upper Receiver with SLR Rifleworks Adjustable Gas (3GG16U15PA)
This complete 16" light weight AR-15 multi-gun competition upper receiver is designed and hand built from the first component to the last for perfect balance to deliver high precision shots at a high rate of speed while minimizing weight and bulk. Featuring our premium 16" multi-gun competition barrel and an ultra-light weight, compact 15" free-floated Keymod handguard this upper receiver comes with everything you need already installed and tested by our degree'd and certified gunsmiths. Just pop the pins on your AR-15 lower receiver, pop on this upper and you're ready to roll.
Every upper receiver we build must pass three thorough inspections and is test fired for functionality and accuracy.
Includes all of the following (Assembled):
- Ground Zero Precision 7075 T6 Aerospace Grade Aluminum Stripped Upper Receiver, Hard Coat Anodized (Black) to MIL-A-8625
- Ground Zero Precision 16" Light Profile Multi-Gun Competition Barrel - 4150 CrMoV Steel, Heat Treated to 28 -32 RC Hardness, Black Phosphate Finish, Magnetic Partical Inspected, High Pressure Tested - Mid-Length Gas 1:8 Twist, .223 / 5.56 Wylde Chambered
- Phosphate Bolt Carrier Group (Option 1): Ground Zero Precision Dead Bolt +P 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
- Nib Bolt Carrier Group (Option 2) (SHOWN) : Ground Zero Precision Dead Bolt +P Premium Full-Mass Bolt Carrier Group - Carrier: 8620 Steel, Nickel Boron finish, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested, Bolt: 158 Carpenter Steel, Magnetic Particle Inspected, High Pressure Tested, Nickel Boron Finish, Gas Key: 4041 Steel, Grade 8 Fasteners, Staked to Mil-Spec
- Ground Zero Precision Premium Mil-Spec Charging Handle with Extended Latch - Aerospace Grade 7075 T6 Aluminum, Hard Coat Anodized (Black) to MIL-A-8625
- SLR Rifleworks Sentry 7 .750 Ultra-Low Profile Adjustable Steel Gas Block - Black Nitride Finish
- Seemless Stainless Mid-Length Gas Tube with Roll Pin
- UTG PRO 15" Ultra-Slim Keymod Free Float Handguard - 7075 T-6 Aluminum, Hard Coat Anodized (Black) to MIL-A-8625
- A2 "Birdcage" 1/2 X 28 TPI Flash Hider with Crush Washer - Salt Bath QPQ Nitride Finish
- Mil-Spec Dust Cover Door Assembly with Pin, C-Clip and Spring
- Mil-Spec Target Forward Assist with Spring and Roll Pin