AR15 7.5" Kitty Kat 5.56 Upper Receiver

7.5" 5.56 NATO AR-15 "Kitty Kat" Complete Upper Receiver Assembly with Quad Rail

Upgrade your next AR pistol build with this premium, American-made 7.5-inch 5.56 NATO Complete Upper Receiver Assembly. Engineered for maximum reliability, durability, and tactical versatility, this short-barrel upper assembly delivers exceptional close-quarters performance. Whether you are assembling a dedicated personal defense weapon (PDW) or a highly maneuverable range pistol, this mil-spec upper receiver provides the rigidity and precision required for demanding applications.

Key Product Features

• High-Performance 5.56 NATO Barrel: The 7.5-inch Chrome Moly Vanadium steel barrel features a versatile 1:7 twist rate and an M4 barrel extension. Finished with a highly durable nitride coating, it ensures superior corrosion resistance and an extended barrel life.
• Mil-Spec Forged Upper Receiver: Forged from premium 7075-T6 aluminum, this A3 flat-top upper is built to strict military specifications. It features a hard-coat anodized black finish for ultimate wear resistance and is proudly manufactured right here in the USA.
• Premium Carpenter 158 Bolt Carrier Group: Includes a full-auto profile bolt carrier group featuring a shot-peened Carpenter 158 steel bolt. The gas key is securely fastened with grade 8 hardware and staked per mil-spec guidelines. The carrier is parkerized on the exterior and chrome-lined on the interior for smooth, reliable cycling.
• Free-Float Quad Rail: Equipped with a heavy-duty 6.5-inch free-float quad rail, offering extensive picatinny rail space for mounting tactical lights, lasers, foregrips, and optics.
• Reliable Gas System: Outfitted with a .750" diameter low-profile gas block and an efficient pistol-length gas system, completed with a standard A2-style flash hider to reduce muzzle flash.

Technical Specifications