The order subtotal is less than the minimum allowed value ($1.00)
Upper Assembly Features:
- 11" M4 Profile Chambered in 5.56 Nato
- Bright 416R Stainless Steel 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 .750 Gas Block Diameter w/ Steel Gas Block
- 1/2x28 Muzzle Thread with Aluminum Forward Compression Brake Recessed Inside Handguard
- 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 Pistol Lowers, In Stock and Ready to Ship!
The Checkmate 11 inch 5.56 barreled upper assembly for your AR-15 pistol is built with quality duty-grade components at an affordable price. This sleek 5.56 pistol 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.
Bolt carrier group and charging handle are not included with this assembly!
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