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AUTHORITY ELITE® AR15/M4 7.5" 300BLK COMPLETE BILLET UPPER RECEIVER WITH BCG AND RACK-15 AMBIDEXTROUS CHARGING HANDLE

SKU: AUTH-CUR-7.5-300BLK
UPC: 810033787027

Upper Specifications:

Barrel Length: 7.5in

Gas System: Pistol

Barrel Profile: A2

Barrel Steel: 4150 Chrome-Moly Vanadium

Barrel Finish: Nitride

Chrome Lining: None

Muzzle Thread: 5/8-24

Chamber: .300 Blackout

Twist Rate: 1:8

Barrel Extension: M4

Diameter at Gas Block: .750

Gas Block Type: WORKHORSE® Low Profile

Muzzle Device: 30 Cal A2 Flash Hider

Receiver: Authority Elite

Receiver Material: Billet 7075 T6

Receiver Type: M4

Handguard Type: WORKHORSE® 6.7in M-Lok® Free Float Rail

Bolt Carrier Group Included: Yes

Bolt Steel: 9130

Bolt Carrier Profile: Full Auto

Charging Handle: Rack-15

Colors: Black

Overall Length: 15.5in

Bolt Carrier Group Specifications:

Laser Engraved BAD INC Logo

Bolt Carrier: 8620 Steel Case Hardened, Machined from Billet

Firing Pin: 17-4 H-900 Steel, Center-less Ground

Gas Key: 4140 Steel with Grade 8 Screws, Properly Staked, Machined from Billet

Cam Pin: 4140 Hardened Steel

Finish: Black Nitride finished with an ultra-hard, corrosion-resistant top surface layer for wear resistance and minimal need for lubricants.

Bolt: 9130 steel Shot Peened, Mil-Spec Dimensions, CNC Ground After Heat Treat, Black Nitride Finished MPI/HPT

Extractor: 4140 Billet, Manganese Phosphate Finished for Positive Grip

*Specifications subject to change based on availability. 

824.99 824.99

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