• $599.95
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Upper Assembly Features:

- 16" Lightweight Pencil Profile Barrel Chambered in 5.56 Nato

- Nitrided 4150 Chrome Moly Vanadium Barrel w/ 1 in 9 inch twist

- Checkmate Shark Mouth 12" Free Float Ergonomic Keymod Handguard w/ Hardcoat Anodized Finish

- Carbine Length Gas System and .625 Gas Block Diameter

- 1/2x28 Muzzle Thread with A2 Bird Cage Flash Hider

- Hardcoat Anodized 7075 Billet Upper Receiver w/ Dust Cover and Forward Assist

- Assembled with 100% US Parts- BCG and Charging Handle Not Included

- Fits Mil-Spec AR-15 Lowers, In Stock and Ready to Ship!

  • Weight
    3.9 lbs
  • SKU

The Checkmate 5.56 lightweight barreled upper assembly for your AR-15 is our best value rifle upper built with quality duty-grade components at an affordable price.  This sleek 5.56 rifle upper also shoots .223 ammo, and with it's 1 in 9 inch barrel twist, it will shoot the inexpensive bulk-packaged 55 grain .223 ammunition more accurately.  

A complete AR-15 built with this upper will have a total unloaded weight of around six pounds.  This will make an excellent choice for offhand plinking, as a hiking companion, or for users who desire a lighter and easier to maneuver AR-15 over a mil-spec upper assembly that is also more accurate.

Bolt carrier group and charging handle are not included with this assembly!

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