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The Aero Precision M4E1 Upper Receiver features a lightweight ATLAS S-ONE Handguard, durable construction, and compatibility with mil-spec AR15 components.

AERO PRECISION M4E1 300BLK ASSEMBLE UPPER GOV 16"BBL PISTOL-LENGTH THRD BLK

840014601783 100054455

Filters:

Variations
Filters:
Variations:

Variations:

Cartridge: 300 AAC Blackout Color: Black Contour: CMV Finish: Anodized Length: 16'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054455
Not available
813.5 GBP 0 £813.50 *
Cartridge: 300 AAC Blackout Color: Black Contour: CMV Finish: Anodized Length: 10'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054454
Not available
752.9 GBP 0 £752.90 *
Cartridge: 300 AAC Blackout Color: Black Contour: CMV Finish: Anodized Length: 8'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054453
Not available
721.5 GBP 0 £721.50 *
721.5 813.5 3 GBP
813.5 GBP £813.50

Prices inclusive of duty & VAT.

Product no.: 100054455

Mfr. No.: APAR700304M14

840014601783 This complete upper includes Aero Precision’s new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. 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. M4E1 Threaded Assembled Upper Receiver 7"" M-LOK ATLAS S-ONE Handguard with 7” .300 Blackout CMV Barrel OR 9"" M-LOK ATLAS S-ONE Handguard with 10"" .300 Blackout CMV Barrel OR 12"" M-LOK ATLAS S-ONE Handguard with 16"" .300 Blackout CMV Barrel Low Profile Gas Block and Pistol Length Gas Tube in all makeups. This complete upper does not include BCG or Charging Handle. The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel. 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 S-ONE Handguard Features: Front and rear picatinny rail Eliminated center of top rail for weight reduction Indexing grooves in 12:00 position for positive grip control 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 8"" .300 Blackout Barrel Features: Length: 8"" Twist: 1 in 7 Muzzle: 5/8x24 Threaded Material: 4150 Crome Moly Vanadium Finish: QPQ corrosion resistant finish both inside and out Gas Block: .750 Gas Port: .109 Gas System Length: Pistol Weight: 18 oz M4 Barrel Extension HP and MPI Tested 10"" .300 Blackout Barrel Features: Length: 10"" Twist: 1 in 7 Muzzle: 5/8x24 Threaded Material: 4150 Crome Moly Vanadium Finish: QPQ corrosion resistant finish both inside and out Gas Block: .750 Gas Port: .0935 Gas System Length: Pistol Weight: 21 M4 Barrel Extension HP and MPI Tested 16” .300 Blackout Barrel Features: Chamber: .300 Blackout Length: 16"" Material: 4150 Chome Moly Vanadium Finish: QPQ Corrosion Resistant Finish Gas System Length: Pistol Gas Block Journal: .750"" Twist Rate: 1:7 Inches Muzzle: 5/8x24 Threaded Weight: 29 oz M4 Feed Ramp Extension, HP and MPI Tested, Standard A2 Flash Hider
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721.5 813.5 3 GBP
Description Specification Customers reviews Accessories

AERO PRECISION M4E1 300BLK ASSEMBLE UPPER GOV 16"BBL PISTOL-LENGTH THRD BLK

813.5 GBP £813.50

Prices inclusive of duty & VAT.

Is a 'Call to order' product.

Description:

Discover the ultimate in precision and performance with the M4E1 Upper Receiver!

This complete upper includes Aero Precision’s new ATLAS S-ONE Handguard! Designed with size and weight in mind, the S-ONE line of handguards is the perfect addition to your lightweight build. Their proprietary ATLAS attachment system offers a durable and dependable mounting platform, maintaining a slim profile while ensuring the strength and stability that customers have come to love from Aero Precision handguards.

Features of the M4E1 Threaded Assembled Upper Receiver:

  • 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 S-ONE Handguard Features:

  • Front and rear picatinny rail
  • Eliminated center of top rail for weight reduction
  • Indexing grooves in 12:00 position for positive grip control
  • 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 Options:

  • 8" .300 Blackout Barrel:
    • Length: 8"
    • Twist: 1 in 7
    • Muzzle: 5/8x24 Threaded
    • Material: 4150 Chrome Moly Vanadium
    • Finish: QPQ corrosion resistant finish both inside and out
    • Gas Block: .750
    • Gas Port: .109
    • Gas System Length: Pistol
    • Weight: 18 oz
    • M4 Barrel Extension
    • HP and MPI Tested
  • 10" .300 Blackout Barrel:
    • Length: 10"
    • Twist: 1 in 7
    • Muzzle: 5/8x24 Threaded
    • Material: 4150 Chrome Moly Vanadium
    • Finish: QPQ corrosion resistant finish both inside and out
    • Gas Block: .750
    • Gas Port: .0935
    • Gas System Length: Pistol
    • Weight: 21 oz
    • M4 Barrel Extension
    • HP and MPI Tested
  • 16" .300 Blackout Barrel:
    • Chamber: .300 Blackout
    • Length: 16"
    • Material: 4150 Chrome Moly Vanadium
    • Finish: QPQ Corrosion Resistant Finish
    • Gas System Length: Pistol
    • Gas Block Journal: .750"
    • Twist Rate: 1:7 Inches
    • Muzzle: 5/8x24 Threaded
    • Weight: 29 oz
    • M4 Feed Ramp Extension, HP and MPI Tested
    • Standard A2 Flash Hider

This complete upper does not include BCG or Charging Handle. The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The M4E1 Complete Upper Receiver features the new ATLAS S-ONE Handguard, designed for lightweight builds with a slim profile yet strong and stable mounting.
  2. It includes an M4E1 Threaded Upper Receiver with enhanced forging for a billet look and is equipped with M4 Feedramps, .250 takedown pin holes, and comes with a port door and forward assist.
  3. Options for barrel lengths include 7”, 10”, and 16” .300 Blackout CMV barrels, all featuring a 1 in 7 twist rate, QPQ corrosion-resistant finish, and are HP and MPI tested, but the BCG or Charging Handle are not included.

Attributes

  • Cartridge:
    300 AAC Blackout
  • Colour:
    Black
  • Contour:
    CMV
  • Finish:
    Anodized
  • Length:
    16''
  • Style:
    Complete
  • Twist:
    1-7
  • Weapon type:
    AR-15
  • Delivery weight: 1.814kg
  • Shipping height: 102mm
  • Shipping width: 102mm
  • Shipping length: 775mm
  • UPC: 840014601783

Item details

Made in USA
US export classification: I(g)

Customers reviews

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Variations:

Cartridge: 300 AAC Blackout Color: Black Contour: CMV Finish: Anodized Length: 16'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054455
Not available
813.5 GBP 0 £813.50 *
Cartridge: 300 AAC Blackout Color: Black Contour: CMV Finish: Anodized Length: 10'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054454
Not available
752.9 GBP 0 £752.90 *
Cartridge: 300 AAC Blackout Color: Black Contour: CMV Finish: Anodized Length: 8'' Make: AR-15 Style: Complete Twist: 1-7 Product no.: 100054453
Not available
721.5 GBP 0 £721.50 *

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