Sale!

Aero Precision M4E1 Threaded Complete Upper Receiver | 5.56 NATO | 14.5″ barrel | w/ Pinned Epsilon 556SL, ATLAS R-One M-LOK | Anodized Black | APAR700704M68

Original price was: $116.00.Current price is: $66.60.

83 in stock

SKU: SQDTM407125 Category:

Description

This complete upper includes our ATLAS R-ONE Handguard! The R-ONEhandguards are designed with size and weight in mind, while stillproviding plenty of real-estate to accommodate any attachment needs theend user may have. Our proprietary ATLAS attachment system is a durableand dependable mounting platform, maintaining a slim profile while stillproviding the strength and stability customers have grown to love fromAero Precision handguards.We’ve taken the pain out of building a legal 14.5″ rifle build. Thesepinned and welded 14.5″ complete uppers feature an Epsilon 556SL thatis permanently affixed to the muzzle providing an overall legal lengthof 16″. Worried you might want to change your gas block? No worries! Theouter diameter of the Epsilon 556SL allows you to easily slide your gasblock over the muzzle device making it easy to change or service yourgas system.If you’ve had a 14.5″ build planned, but didn’t want to deal with thehassle of getting it pinned and welded or being stuck with a specificconfiguration, then our 14.5 pinned and welded barrels/uppers are foryou!

Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 12″ ATLAS R-ONE M-LOK Handguard of choice
  • 14.5″ 5.56 Mid-Length CMV Barrel
  • Low Profile Gas Block and Mid Length Gas Tube
  • VG6 Epsilon 556SL (pinned and welded)
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab
  • The muzzle brake that comes with this completeupper receiver is pinned to this barrel. Per the National Firearms Act,the muzzle brake MUST be pinned and welded to achieve the necessary 16″as defined by the ATF for a rifle build.

M4E1 Threaded Upper Receiver Features:

  • New enhanced forging that gives the upper receiver a “billet look”
  • New picatinny profile that blends seamlessly with our Enhanced Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

ATLAS R-ONE Handguard Features:

  • Full top picatinny rail for optional attachments
  • Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
  • Compatible with low profile gas blocks
  • 1.3

-CALIFORNIA PROPOSITION 65