ATI AR-15 Complete Upper Receiver, 5.56 NATO/.223 Remington, 16" Barrel

 
4.3 out of 5 star rating (12 reviews)

ATI AR-15 Complete Upper Receiver, 5.56 NATO/.223 Remington, 16" Barrel

 
4.3 out of 5 star rating (12 reviews)

Originally introduced in 2012, the Mil-Sport Rifle became an instant hit among shooting enthusiasts who were looking for a high-quality AR-15 that wouldn't break the bank. Now's your chance to put together a home build of your very own with that same performance and value.

  • 5.56 NATO/.223 Remington
  • 16" barrel with 1:8" twist
  • Forged 7075-T6 Mil-Sport receiver
  • 13" M-LOK® handguard
  • Mid-length DSIG direct impingement gas system
  • Low-profile gas block
  • Includes bolt carrier group and charging handle

Order today!

Key Specifications

  • Item Number: 726552
  • Caliber: 5.56 NATO/.223 Remington
  • Gas System: Mid-length
  • Barrel: 16"
  • Barrel twist: 1:8"
  • Receiver: 7075-T6 forged aluminum A3 flat-top
  • Handguard: 13" M-LOK
  • Muzzle device: A2
  • Mfg. number: ATI15MS556ML13