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Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver Up to 10% Off w/ Free S&H — 3 models

Special offer available for this product. Click here to see!
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, FDE, APAR700315M72
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72
Aero Precision ATLAS M4E1-T .223 Wylde Complete Upper, Black, Flat Dark Earth
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, FDE, APAR700315M72
1 of 6 images
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, FDE, APAR700315M72
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50
2 of 6 images
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72
3 of 6 images
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72
Aero Precision ATLAS M4E1-T .223 Wylde Complete Upper, Black, Flat Dark Earth
4 of 6 images
Aero Precision ATLAS M4E1-T .223 Wylde Complete Upper, Black, Flat Dark Earth
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50
5 of 6 images
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72
6 of 6 images
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72

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Questions & Answers
Can i run 5.56 out of this ? Expert Answer

Yes, a rifle chambered for .223 Wylde can safely fire both .223 Remington and 5.56 NATO ammunition.

by Ethan, Gear Expert, April 2, 2025
What type of stainless steel is the barrel made of? Expert Answer

The Aero Precision ATLAS M4E1-T .223 Wylde Complete Upper features a 416R Stainless Steel barrel which has been high pressure tested and magnetically particle inspected.

by Ethan, Gear Expert, September 21, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
Happy Customer by Dnbar, Verified Owner, December 11, 2024
First, the ordering and shipping process was easy as can be. Very pleased that I didn’t have to wonder where my upper was and when I would get it. It arrived it great condition. Second, this upper seems to be top quality. It’s my first AR platfo...
Read More...
Most Recent Reviews
Aero 223 Wylde Complete Upper by Dallas, June 24, 2024
Fit and finish is fantastic. Cycled like a dream and accuracy has been fantastic!
Read All 2 Reviews
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ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.

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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver

This complete upper includes our 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. Our 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 handguardsimage

WARNING: California`s Proposition 65

Specifications for Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver:

Manufacturer: Aero Precision
Caliber: .223 Wylde
Barrel Length: 16 in
Barrel Profile: SPR
Gas System Length: Mid Length
Barrel Twist Rate: 1-8
Threads per Inch: 1/2x28
Handguard Type: A2
Muzzle Device: A2 Flash Hider
Gun Model: AR-15
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 15 in
Gun Make: AR Platform
Barrel Material: 416R Stainless Steel
Magazine Included: No
Country of Origin: USA

Features of Aero Precision M4E1-T 16in .223 Wylde RM15 Complete 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

Package Contents:

  • Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver
  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS R-ONE Handguard Of Choice
  • 16in .223 Wylde Fluted Mid-Length Stainless Steel Barrel
  • Low Profile Gas Block
  • Mid-Length Gas Tube

What firearm models does the manufacturer say Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver is compatible with?

The manufacturer says that Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver is compatible with AR-15

Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver Orderable Models

List of Orderable Models

  • Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72 , MPN: APAR700305M72 , UPC: 815421029130 , Code: 29D-UFH-APUM02-APAR700305M72
  • Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, FDE, APAR700315M72 , MPN: APAR700315M72 , UPC: 815421029147 , Code: 29D-UFH-APUM02-APAR700315M72
  • Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50 , MPN: APAR700715M50 , UPC: 840014602803 , Code: 29D-UFH-APUM02-APAR700715M50
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