AR-15 Uppers

5.56 NATO | AR-15 Uppers
All 5.56 NATO upper receiver assemblies are sold as fully-complete, function-tested, and ready-to-fire products.
High-quality and precisely designed, built, tuned, and tested by the professionals at Alexander Arms® using only the best components we can manufacture. Flat-top receiver with mid-length gas system, M16-style carrier group, G10 composite rifle-length MK10 handguard, A2 flash hider, and 16-inch chrome moly, very lightweight barrel with 1:7 twist and melonite finish. Muzzle threading is 1/2-28 TPI RH. Direct impingement operating system. Upper receiver features extended feed ramps. Carrier gas keys are properly staked. This product ships with one complimentary 30-round E-Lander steel magazine, unless prohibited by local or state law, where the product will ship with no magazine included. Weight of upper is 3.8 pounds. This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
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