CLEARANCE!
You supply the lower receiver. We supply the parts to finish it right.

ATI 16" M4 Complete Upper Receiver Less Charging Handle, 5.56 NATO/.223 Remington

Item # WX2-584157

Mfg. Number: ATIRKT03

UPC: 813393016882

SOLD OUT
5 stars
4.5 (46) Write a review
CLEARANCE!
You supply the lower receiver. We supply the parts to finish it right.

ATI 16" M4 Complete Upper Receiver Less Charging Handle, 5.56 NATO/.223 Remington

Item # WX2-584157

Mfg. Number: ATIRKT03

UPC: 813393016882

SOLD OUT
5 stars
4.5 (46) Write a review

Item currently sold out

Item currently sold out

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Details & Specs

Fine quality, includes everything but the lower receiver. Great stuff from American Tactical Imports, 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.

  • Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel with 1:7" twist, melonite-coated barrel
  • Chambered in 5.56x45mm / .223 Remington
  • 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 6.5 lbs.
  • 16"l. barrel

Order yours and get started on your black rifle ASAP!

Key Specifications
  • Item Number: 584157
  • Caliber: 5.56x45mm / .223 Remington
  • Barrel: 16"l. Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel with 1:7" twist
  • Receiver: T-marked forged
  • Handquard: M4 single heat shield
  • Mfg. Number: ATIRKT03
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