MPN: BAUR10007


  • Caliber: 5.56 NATO / .223 Rem
  • Chamber: .223 Wylde
  • Finish: Type III Class 2 Hardcoat Anodized
  • Upper Receiver: BA AR-15 Enhanced Upper - 7075-T6 Aluminum
  • Handguard: 15-Inch BA Logic M-LOK Handguard
  • M4 Feed Ramps: Yes
  • Muzzle Device: Not Included
  • Barrel: BA Premium Series 18" 1:8 Fluted Stainless Steel SPR Barrel
  • Muzzle Thread Pattern: 1/2"-28 TPI
  • Gas Block: BA .750" Low-Profile Gas Block
  • Gas Tube: Rifle-Length Melonite Gas Tube
  • Bolt Carrier Group: Not Included
  • Charging Handle: Not Included

*This upper assembly does not come with Muzzle Device, Bolt Carrier Group and Charging Handle


  • Weight: ~3.59 lbs.
  • Overall Length: ~25.19"


  • AR-15 lower receiver


  • 1x Ballistic Advantage 18" .223 Wylde SPR Fluted Stainless Steel Complete Upper


If you want to build an AR-15 that can safely fire a wide range of 5.56 and .223 ammo, the .223 Wylde SPR Fluted Stainless Steel Complete Upper from Ballistic Advantage is an excellent option.

This upper receiver assembly has a .223 Wylde chamber, designed to safely fire both 5.56 NATO and .223 Remington ammunition. It features an 18-inch long SPR barrel made from 416R stainless steel and has the same accuracy and reliability expected from Military DMRs. The barrel is also fluted to decrease weight, which also helps with better heat dissipation.

Moving on, this upper assembly comes with a rifle-length gas system, which offers excellent performance with the 18-inch barrel. This melonite-coated gas tube provides improved heat and corrosion resistance, improving the overall reliability of your rifle.

It has the Logic M-LOK Handguard from Ballistic Advantage. This 15-inch handguard is Machined from 6061-T6 aluminum and features M-LOK slots at 3, 6, and 9 o'clock positions, along with a full top Picatinny rail.

The receiver itself is forged from 7075-T6 aluminum. It features M4 feed ramps for improved reliability and has a standard Mil-Spec profile with a forward assist and port door. Overall, the .223 Wylde SPR Fluted Stainless Steel Complete Upper is an excellent option for a versatile and reliable AR build.

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  • This Item: Ballistic Advantage 18" .223 Wylde SPR Fluted Stainless Steel Complete Upper
    MSRP: $579.00
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