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).
$685.00
This upper features a flat-top receiver, 16" chrome moly, lightweight barrel with melonite finish and 1:7 twist, threaded 1/2-28 TPI RH. It comes with the Manticore Arms Transformer Rail handguard and your choice of two sets of panels, A2 flash hider, a Cerakote finish of your choice (FDE, OD Green, or Graphite Black, you may request additional colors however additional charges may apply), and one 30 round 5.56 NATO magazine. This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). Weight of upper is 3.85 lbs

Upper shown in OD Green with FRAG grip panels and M-LOK panels
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$1,190.00
Introducing the Alexander Arms 5.56 NATO Upper Kit! This kit has everything you need to get started on your very own 5.56 upper build! The kit includes:
  • -Mil-Spec flat top upper receiver (port door and forward assist installed)
  • -Our very own high quality 16" chrome moly, extreme lightweight barrel with a 1:7 twist and a melonite finish, threaded 1/2-28 TPI RH
  • -Your choice of either a Low Profile or Picatinny Railed Gas Block
  • -Mid-length Gas tube
  • -Mil-Spec charging handle
The kit does not include a bolt, bolt carrier, barrel nut, or handguard.
$300.00
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