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AERO PRECISION
M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD

840014602087 100054461
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
589.9 832.6 5 GBP
Product no.: 100054461
AERO PRECISION M4E1 5.56 ASSEMBLED UPPER GOVT 18" BBL RIFLE THREADED BLACK
Mfr Part: 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
832.6 GBP 7 £832.60 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Contour: CMV Finish: Anodized Length: 18'' Make: AR-15 Style: Complete Twist: 1-7

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'' Make: AR-15 Style: Complete Twist: 1-7 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)



Product no.: 100036053
AERO PRECISION M4E1 5.56 ASSEM UPPER GOVT 11.5" BBL CARBINE THREADED BLACK
Mfr Part: APAR700702M29 815421027754 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
589.9 GBP 0 £589.90 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Contour: Government Finish: Anodized Length: 11.5'' Make: AR-15 Style: Complete
Product no.: 100036054
AERO PRECISION M4E1 5.56 ASSEM UPPER GOVT 11.5" BBL CARBINE THREADED FDE
Mfr Part: APAR700712M29 815421027778 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
619.9 GBP 5 £619.90 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Flat Dark Earth Contour: Government Finish: Anodized Length: 11.5'' Make: AR-15 Style: Complete
Product no.: 100054460
AERO PRECISION M4E1 5.56 ASSEMBLD UPPER M4 16" BBL MID-LENGTH THREADED BLK
Mfr Part: APAR700705M7 840014602056 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
813.9 GBP 53 £813.90 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Contour: CMV Finish: Anodized Length: 16'' Make: AR-15 Style: Complete Twist: 1-7
Product no.: 100042527
AERO PRECISION M4E1 5.56 ASSEM UPPER GOVT 14.5" BBL MID-LENGTH THREADED BLK
Mfr Part: APAR700704M5 840014602100 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
776.4 GBP 5 £776.40 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Contour: Government Finish: Anodized Length: 12'' Make: AR-15 Style: Complete

Upgrade your rifle with the M4E1 5.56MM Upper Receiver featuring the ATLAS R-ONE Handguard. 🔥 Lightweight, durable, and perfect for attachments!

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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