ATI 5.56x45mm NATO, AR-15 Parts Kit

Item # WX2-584157

4 stars
(34)
Non-Member $529.99 Buyer's Club $476.99

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You supply the lower receiver. WE supply the parts you need to finish it right. 

Fine quality, includes everything but the lower receiver. Great stuff from American Tactical ImportsĀ®, a rising star in the AR game. Add in a lower of your choice (we have a bunch to choose from), and you're ready to rock and roll.

Order yours and get started on your black rifle ASAP!

Spec Chart:


  • Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel with 1:7" twist
  • Chambered in 5.56x45mm / .223 RemingtonĀ®
  • Melonite-coated barrel
  • T-marked forged M4 upper receivers with extended M4 feed ramps
  • Picatinny gas block
  • A2 flash hider installed with Peel washer
  • M4 single heat shield handguard
  • M16 bolt carriers
  • Mil-spec fire control group with .154-diam. pins
  • Mil-spec .154-diam. hammer and trigger pins
  • Mil-spec .250-diam. take-down pins
  • Mil-spec collapsible 6-position ribbed reinforced stock
  • Kit does not come with mag. or trigger guard
  • Weighs 6 1/2 lbs.