Grey Ghost Precision AR-15 Pistol Upper Receiver Assembly 5.56X45mm NATO 10.5″ Barrel M-LOK Handguard


Category: Product ID: 13351


Grey Ghost Precision worked hard to produce an extremely accurate semi-automatic rifle that fit specific requests from soldiers operating in Afghanistan. Coupled with evaluations by Special Forces marksmanship instructors, competition shooters and hardcore hunters, the final form of the “Barking Dog” has several cutting-edge enhancements that make it the most reliable nail-driver in its class. Now this level of precision is available in a complete upper receiver configuration. GGP Billet Receivers are precisely machined from 7075-T6 Aluminum for a perfect fit to your lower.



  • True Black Type III Class 2 Hard Coat Anodize
  • Tighter than Mil-Spec tolerance, with critical tooling dimensions are held to within +/ – .001″
  • Functions with nearly all available mil-spec parts

Made In United States of America


Product Information

Cartridge 5.56x45mm NATO
Color Black
Finish Anodized
Material Aluminum
Barrel Length 10.5 Inches
Twist 1:7 Inches
Threads 1/2″-28
Barrel Finish QPQ
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Carbine
M4 Feed Ramps Yes
Upper Receiver Type A3 Flat-Top
Barrel Material 4150 Chrome Moly Vanadium Steel
Handguard MKII 9.25” M-LOK
Bolt Carrier Assembly Included Yes
Muzzle Device Muzzle Brake
Country of Origin United States of America
Compatible With

Delivery Information

Shipping Weight 5.100 Pounds


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