Barrel: 16" 416 stainless steel bull contour barrel with diamond fluting, blue coated with flutes.
Chamber: 5.56 NATO (also accepts .223 rounds).
Twist Rate: 1:8 RH, 6-groove button rifled for precision shooting.
Gas System: Carbine-length with a low-profile .936 steel gas block.
Receiver: A3 flat top upper, forged 7075-T6 aluminum, black hardcoat anodized and Teflon coated.
Handguard: Moriarti Mlok 10" slim profile, free-floating rail, blue hardcoat anodized.
No BCG or Charging Handle Included – Must be purchased separately.
Image Disclaimer – Product images may not reflect exact stock configurations.
CA and NY Compliant.
This AR-15 16" Blue Diamond Bull Upper Assembly is an exclusive, high-performance upgrade designed for precision shooters looking for durability, accuracy, and a unique aesthetic.
Tags: ar-15, 5.56/.223, 16 bull barrel 16", blue, diamond, modular, upper, assembly, 10", mlok