Brownells 75th Anniversary - A Shooting Heritage

Complete Flattop Upper With High-End Features

Flattop upper comes with high-end custom features and accessories already installed, ready to snap on the mil-spec lower receiver of your choice. Comes fully assembled with bolt/carrier, charging handle, tactical handguard, gas block, and barrel.Features a free-floated Diamond handguard with uniquely-patterned holes machined between the rails to reduce weight and enhance barrel cooling. Four full-length MIL-STD 1913 Picatinny rails have individually marked slots for quick reference. The handguard bridges the gap to the front of the receiver to form one continuous, uninterrupted top rail; extends over the low-profile gas block for a smooth, streamlined appearance. Specter XL Upper features a rifle-length handguard. Chrome-lined, 16" barrel has a unique diamond-pattern fluting that increases surface area for superior cooling. 1-9" rifling twist works with a wide variety of bullet weights. 5.56 NATO chamber accepts commercial .223 or mil-spec 5.56mm ammunition. Also includes a Yankee Hill Phantom 5C2 flash suppressor/compensator, plus YHM-9383 low profile gas block, YHM-9627 flip-up front sights, and YHM-9680 windage-adjustable flip up rear sight with A2-style long and short-range apertures.

AR-15, Issue:11, Page:007
Big Book Catalog, Issue:73, Page:008

SPECS: Receiver – 7075 T6 aluminum alloy, mil-spec Type III hardcoat anodized finish, matte black. Barrel – Chrome-moly vanadium steel alloy, heat treated to Rc 25-32, matte black finish. Chrome-lined. 16" (40.6cm) long. 1-9" twist, chambered for 5.56mm NATO. Handguard – 6061 T6 aluminum, hardcoat anodized, matte black. Sights – Steel, Parkerized, matte black. 4.8 lbs.(2.2kg) total weight Fits mil-spec AR-15/M16 lower receiver with .250" pivot/takedown pins.


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Cartridge: 223 Remington, 5.56 mm NATO

Finish: Matte Black

Style: Complete

Contour: Carbine

Length: 16", ...

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