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Product Discontinued by Manufacturer
Aero Precision M4E1 Threaded 11.5in 5.56 w/ATLAS R-ONE Handguard Upper Receiver with Flash Hider has been discontinued by Aero Precision and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!
ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.
Product Info for Aero Precision M4E1 Threaded 11.5in 5.56 w/ATLAS R-ONE Handguard Upper Receiver with Flash Hider
This complete upper includes Aero Precision's new ATLAS R-ONE Handguard! The R-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The 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.![]()
Features of Aero Precision M4E1 Threaded 11.5in 5.56 w/ATLAS R-ONE Handguard Upper Receiver with Flash Hider
- 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
- 4150 CrMoV, QPQ, gas port drilled
- .0785 gas port
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
Package Contents:
- Aero Precision M4E1 Threaded 11.5in 5.56 w/ATLAS R-ONE Handguard Upper Receiver with Flash Hider
- 5.56 CMV Barrel (Carbine Length)
- Low Profile Gas Block
- Carbine Length Gas Tube
Ammunition




Related Products to Aero Precision M4E1 Threaded 11.5in 5.56 w/ATLAS R-ONE Handguard Upper Receiver with Flash Hider
Aero Precision M4E1 Threaded 11.5in 5.56 w/ATLAS R-ONE Handguard Upper Receiver with Flash Hider Unavailable & Discontinued Models
List of Unorderable Models
- Aero Precision M4E1-T Complete Upper Receiver, 5.56mm, 11.5in, Carbine Length, R-One M-LOK Handguard, Black, APAR712703M29 , MPN: APAR712703M29 , UPC: 840014616541 , Code: 29D-UFH-M4T556UPAR-APAR712703M29
- Aero Precision M4E1-T Complete Upper Receiver, 5.56mm, 11.5in, Carbine Length, R-One M-LOK Handguard, FDE, APAR712713M29 , MPN: APAR712713M29 , UPC: 840014616558 , Code: 29D-UFH-M4T556UPAR-APAR712713M29
- Aero Precision Threaded Upper Receiver, M4E1, 5.56, 11.5 inch Barrel, 9 inch M-LOK ATLAS R-ONE Handguard, A2 Flash Hider, Anodized Black, APAR700702M29 , MPN: APAR700702M29 , UPC: 815421027754 , Code: 29D-UFH-M4T556UPAR-APAR700702M29
- Aero Precision Threaded Upper Receiver, M4E1, 5.56, 11.5 inch Barrel, 9 inch M-LOK ATLAS R-ONE Handguard, A2 Flash Hider, Flat Dark Earth, APAR700712M29 , MPN: APAR700712M29 , UPC: 815421027778 , Code: 29D-UFH-M4T556UPAR-APAR700712M29
- Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 11.5in, Carbine Length, 1-7 Twist, 10.3in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700398M29 , MPN: APAR700398M29 , UPC: 840014618729 , Code: 29D-UFH-M4T556UPAR-APAR700398M29





































































































































































































