Shop By | .223 Wylde / 5.56 NATO

The .223 Wylde and 5.56 NATO are the most popular calibers for the AR-15 platform. These rounds are great for a wide range of uses from military and self defense to small game hunting. It's also a very affordable option for range days.

Davidson Defense

Davidson Defense "Heartnote" AR-15 Left Handed Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$594.99~~ $309.99 Sale

In Stock

MMC Arms Top Shelf

MMC Arms Top Shelf "Montpelier" AR-15 Featuring A Davidson Defense Upper Receiver 16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Fortis Handguard (Assembled or Unassembled)

~~$704.99~~ $419.99 Sale

In Stock

Davidson Defense

Davidson Defense "Kingston" AR-15 Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$569.99~~ $274.99 Sale

In Stock

Davidson Defense

Davidson Defense "Waverly" AR-15 Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$569.99~~ $274.99 Sale

In Stock

Davidson Defense

Davidson Defense "Manchester" AR-15 Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$554.99~~ $274.99 Sale

In Stock

ELD Performance

ELD Performance "Fantail" AR-15 16" 5.56 NATO, Carbine Gas, Government Profile, 1:8T, M4 Barrel Extension, Nitride Barrel

~~$139.99~~ $94.99 Sale

In Stock

Davidson Defense

Davidson Defense "Gadsden" AR-15 Pistol Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$554.99~~ $274.99 Sale

In Stock

Davidson Defense

Davidson Defense "Cordova" AR-15 Pistol Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$554.99~~ $269.99 Sale

In Stock

MMC Arms Top Shelf

MMC Arms Top Shelf "Kotzebue" AR-15 Featuring A Davidson Defense Upper Receiver 16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" Unique AR Handguard (Assembled or Unassembled)

~~$694.99~~ $409.99 Sale

In Stock

MMC Arms Top Shelf

MMC Arms Top Shelf "Skagway" AR-15 Featuring A Davidson Defense Upper Receiver 16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" Unique AR Handguard (Assembled or Unassembled)

~~$684.99~~ $399.99 Sale

In Stock

Davidson Defense

Davidson Defense "Catalyst" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$614.99~~ $284.99 Sale

In Stock

Davidson Defense

Davidson Defense "Sincerely Me" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$589.99~~ $294.99 Sale

In Stock

Davidson Defense

Davidson Defense "Fortunate" AR-15 Pistol Upper Receiver 10.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 12" M-Lok Handguard (Assembled or Unassembled)

~~$609.99~~ $329.99 Sale

In Stock

Davidson Defense

Davidson Defense "Dante" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$544.99~~ $264.99 Sale

In Stock

Davidson Defense

Davidson Defense "Hydnora" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 17" M-Lok Handguard (Assembled or Unassembled)

~~$554.99~~ $269.99 Sale

In Stock

Davidson Defense

Davidson Defense "Aloy" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)

~~$534.99~~ $254.99 Sale

In Stock

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