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AR-15 Uppers
300 AAC | AR-15 Uppers
All 300 AAC upper receiver assemblies are sold as fully-complete, function-tested, and ready-to-fire products.
300 AAC AR-15 Uppers

300 AAC Blackout Complete Upper Assembly
300 AAC Blackout Complete Upper Assembly
High-quality and precisely designed, built, tuned, and tested by the professionals at Alexander Arms® using only the best components we can manufacture. Picatinny flat-top railed receiver with carbine-length gas system, G10 composite carbine-length handguard, Picatinny railed gas block, AAC Blackout 51T flash hider, semi-automatic military-style trigger, and a 16-inch, tightly-dimensioned, 416 stainless steel, 1:8 twist, fluted barrel. Muzzle threading is 5/8-24 TPI RH. Direct impingement operating system. Upper receiver features extended feed ramps. Stock extension tubes and carrier gas keys are properly staked. This weapon will fire both supersonic and subsonic ammunition. This product ships in a soft carry bag with one complimentary 30-round CAA polymer magazine, unless prohibited by local or state law, where the product will ship with no magazine included. Weight of upper is 4.15 pounds. This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). . . . (read more)

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Alexander Arms
Radford Arsenal, P.O. Box 1
Radford, VA 24143
United States
Phone: 540-639-8356
Fax: 540-639-8353
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