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The Aero Precision M4E1 5.56MM Upper features a lightweight ATLAS R-ONE Handguard, enhanced forging, and compatibility with various barrel lengths for optimal performance.

AERO PRECISION M4E1 5.56 ASSEMBLED UPPER GOVT 18" BBL RIFLE THREADED BLACK

840014602087 100054461

Filters:

Variations
Filters:
Variations:

Variations:

Cartridge: 5.56 mm NATO Color: Black Contour: CMV Finish: Anodized Length: 18'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054461
Not available
832.6 GBP 0 £832.60 *
Cartridge: 5.56 mm NATO Color: Black Contour: Government Finish: Anodized Length: 11.5'' Make: AR-15 Style: Complete Product no.: 100036053
Not available
589.9 GBP 0 £589.90 *
Cartridge: 5.56 mm NATO Color: Flat Dark Earth Contour: Government Finish: Anodized Length: 11.5'' Make: AR-15 Style: Complete Product no.: 100036054
Not available
619.9 GBP 0 £619.90 *
Cartridge: 5.56 mm NATO Color: Black Contour: CMV Finish: Anodized Length: 16'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054460
Not available
813.9 GBP 0 £813.90 *
Cartridge: 5.56 mm NATO Color: Black Contour: Government Finish: Anodized Length: 12'' Make: AR-15 Style: Complete Product no.: 100042527
Not available
776.4 GBP 0 £776.40 *
589.9 832.6 5 GBP
832.6 GBP £832.60

Prices inclusive of duty & VAT.

Product no.: 100054461

Mfr. No.: APAR700705M8

840014602087 This assembled upper includes Aero Precision’s new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Their proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. INCLUDES: M4E1 Threaded Assembled Upper Receiver - Anodized Black or Cerakote FDE depending on model. 15" ATLAS R-ONE M-LOK Handguard with 16"CMV Barrel OR 15" ATLAS R-ONE M-LOK Handguard 18" Rifle Length CMV Barrel OR 10” ATLAS R-ONE M-LOK Handguard 10.5” Carbine Length M4 Barrel Low Profile Gas Block and Mid Pencil, Mid-Length, or Rifle Length Gas Tube depending on configuration Product comes assembled This assembled upper does not include BCG or Charging Handle. The muzzle brake that comes with this assembled upper receiver is NOT pinned nor welded 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 Inside diameter 1.5 Outside diameter Compatible with mil-spec AR15 upper receivers and barrels 10” and 11.5 ” Carbine Length Barrel Features 5.56 Nato, carbine gas system, 1/7 twist, 4150 CrMoV QPQ .750 gas block journal Carbine gas system .0785" gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider 14.5” and 16" Mid-Length Barrel Features: Mid-length, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled .750 gas block journal Mid-length gas system, .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider 16" Mid-Length Barrel Features: 16" Mid-length, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled .750 gas block journal Mid-length gas system, .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider 18" Rifle Length Barrel Features: 18" Rifle Length Barrel 4150 CrMoV w/ QPQ finish 1/7 twist .750 gas block journal Rifle length gas system M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider
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589.9 832.6 5 GBP
Description Specification Customers reviews Accessories

AERO PRECISION M4E1 5.56 ASSEMBLED UPPER GOVT 18" BBL RIFLE THREADED BLACK

832.6 GBP £832.60

Prices inclusive of duty & VAT.

Is a 'Call to order' product.

Description:

Discover the ultimate in precision and performance with the AERO Precision M4E1 5.56MM Assembled Upper Receiver!

This assembled upper includes Aero Precision’s new ATLAS R-ONE Handguard! Designed with size and weight in mind, the R-ONE handguards provide ample real estate to accommodate any attachment needs the end user may have.

The proprietary ATLAS attachment system offers a durable and dependable mounting platform, maintaining a slim profile while delivering the strength and stability that customers have come to love from Aero Precision handguards.

Product Features:

  • M4E1 Threaded Assembled Upper Receiver - Available in Anodized Black or Cerakote FDE depending on model.
  • 15" ATLAS R-ONE M-LOK Handguard with either a 16" CMV Barrel or an 18" Rifle Length CMV Barrel.
  • 10” ATLAS R-ONE M-LOK Handguard with a 10.5” Carbine Length M4 Barrel.
  • Low Profile Gas Block and Mid Pencil, Mid-Length, or Rifle Length Gas Tube depending on configuration.
  • Product comes assembled (does not include BCG or Charging Handle).
  • The muzzle brake is NOT pinned nor welded to the barrel, as required by the National Firearms Act.

M4E1 Threaded Upper Receiver Features:

  • New enhanced forging for a "billet look".
  • New picatinny profile that blends seamlessly with 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" Inside diameter, 1.5" Outside diameter.
  • Compatible with mil-spec AR15 upper receivers and barrels.

Barrel Features:

10” and 11.5” Carbine Length Barrel:

  • 5.56 Nato, carbine gas system, 1/7 twist, 4150 CrMoV QPQ.
  • .750 gas block journal.
  • Carbine gas system with .0785" gas port.
  • M4 Feed Ramp Extension.
  • HP and MPI tested.
  • Standard A2 flash hider.

14.5” and 16" Mid-Length Barrel:

  • Mid-length, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled.
  • .750 gas block journal.
  • Mid-length gas system with .0785" gas port.
  • M4 Feed Ramp Extension.
  • HP and MPI tested.
  • Standard A2 flash hider.

18" Rifle Length Barrel:

  • 18" Rifle Length Barrel.
  • 4150 CrMoV with QPQ finish.
  • 1/7 twist.
  • .750 gas block journal.
  • Rifle length gas system.
  • M4 Feed Ramp Extension.
  • HP and MPI tested.
  • Standard A2 flash hider.

Elevate your shooting experience with the AERO Precision M4E1 5.56MM Assembled Upper Receiver, designed for those who demand the best in performance and reliability.



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The M4E1 Complete Upper Receiver comes with a 15" or 18" ATLAS R-ONE M-LOK Handguard, is anodized black, and does not include BCG or Charging Handle.
  2. It features a new enhanced forging for a billet look, M4 feedramps, .250 takedown pin holes, and is compatible with mil-spec AR15 barrels.
  3. The upper is available with either a 16" mid-length or an 18" rifle length 5.56 NATO barrel, both made of 4150 CrMoV with QPQ finish and a 1/7 twist.

Attributes

  • Cartridge:
    5.56 mm NATO
  • Colour:
    Black
  • Contour:
    CMV
  • Finish:
    Anodized
  • Length:
    18''
  • Style:
    Complete
  • Twist:
    1-7
  • Weapon type:
    AR-15
  • Delivery weight: 2.268kg
  • Shipping height: 102mm
  • Shipping width: 102mm
  • Shipping length: 775mm
  • UPC: 840014602087

Item details

Made in USA
US export classification: I(g)

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Variations:

Cartridge: 5.56 mm NATO Color: Black Contour: CMV Finish: Anodized Length: 18'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054461
Not available
832.6 GBP 0 £832.60 *
Cartridge: 5.56 mm NATO Color: Black Contour: Government Finish: Anodized Length: 11.5'' Make: AR-15 Style: Complete Product no.: 100036053
Not available
589.9 GBP 0 £589.90 *
Cartridge: 5.56 mm NATO Color: Flat Dark Earth Contour: Government Finish: Anodized Length: 11.5'' Make: AR-15 Style: Complete Product no.: 100036054
Not available
619.9 GBP 0 £619.90 *
Cartridge: 5.56 mm NATO Color: Black Contour: CMV Finish: Anodized Length: 16'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054460
Not available
813.9 GBP 0 £813.90 *
Cartridge: 5.56 mm NATO Color: Black Contour: Government Finish: Anodized Length: 12'' Make: AR-15 Style: Complete Product no.: 100042527
Not available
776.4 GBP 0 £776.40 *

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