Angstadt Arms complete 5.56 NATO AR-15 16″ upper receiver assembly is ready to run out of the box with any AR-15 Mil-Spec lower receiver. It features the same high quality parts that go into are UDP-556 rifles.
This item will not ship to the following states: CA, NY, HI, NJ, CT, IL, MA, DE, WA
- 7075-T6 billet aluminum slick side upper receiver with no forward assist or dust cover
- 16″ M4 profile barrel in chrome moly with a 1/7 twist rate, black melonite finish and a 1/2×28 thread pitch
- M4 feed ramp extensions
- Mil-spec 5.56 complete bolt carrier group assembly finished in black nitride
- 15” ultralight handguard with M-LOK® mounting interface on the 3, 6, 9 & 12 O’clock positions
- Top mil-spec 1913 picatinny rail with lightening cut
- Angstadt Arms black nitride A2 birdcage flash hider
- .750″ low profile gas block with carbine length gas tube
- Mil-spec charging handle
- Caliber: 5.56 NATO
- Color: Available in a Black anodize finish, Magpul FDE (Flat Dark Earth) or Tactical Grey Cerakote
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