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Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider Up to 27% Off Plus Blazin' Deal w/ Free Shipping — 6 models

Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7
Aero Precision M4E1 Threaded 5.56x45mm Complete Upper Receiver, Black, Flat Dark Earth
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7
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Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7
2 of 13 images
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39
3 of 13 images
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7
4 of 13 images
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39
5 of 13 images
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7
6 of 13 images
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7
Aero Precision M4E1 Threaded 5.56x45mm Complete Upper Receiver, Black, Flat Dark Earth
7 of 13 images
Aero Precision M4E1 Threaded 5.56x45mm Complete Upper Receiver, Black, Flat Dark Earth
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7
8 of 13 images
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7
9 of 13 images
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39
10 of 13 images
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7
11 of 13 images
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39
12 of 13 images
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7
13 of 13 images
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7

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Questions & Answers
Does it come with a bolt carrier group Expert Answer

The Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver will not include a BCG or charging handle.

by Ethan, Gear Expert, July 10, 2023
Does this upper come with a charging handle? Expert Answer

No, the Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver does not include a BCG or charging handle.

by Ethan, Gear Expert, July 10, 2023
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
M4E1 THREADED 16" 5.56 CMV PENCIL COMPLETE UPPER RECEIVER W/ATLAS S-ONE MLOK HANDGUARD by beardedpagan, Verified Owner, August 4, 2024
Got this for a pretty good deal, came with a free AP MOE full lower parts kit for free, paid $562 out the door. But that’s not what makes this a 5 star product. Fit and finish are spectacular, it’s lightweight and has a comfortable ergonomic handguar...
Read More...
1/1 found this helpful
Helpful Positive Review
Great Upper by Blue Devil, July 10, 2020
I got this for a budget build and it’s CLEAN!! Slapped a Nickel BCG and a CH with a Sig Red Dot I got from Optics Planet also. It’s a real nice set up for the dollar. Highly recommend... I actually have a 14.5” on the way also
2/2 found this helpful
Helpful Positive Review
Aero Precision Upper by nik, Verified Owner, July 8, 2019
Great, lightweight upper. You can’t go Wrong with aero precision. The upper fits well with my lower and has enough rail to attach iron sights and a Red dot scope. The light weight barrel helps a lot in reducing weight. Overall, have shot about 300 ro...
Read More...
2/2 found this helpful
Most Recent Reviews
Nice completed upper but with minor quality control issue by Andy R., Verified Owner, October 26, 2024
I got the 14.7 inch pencil barrel upper. The barrel profile / length, and the M4E1 upper receiver with bolt assist are the main reasons I got this. Not a fan of the Atlas S-One handguard though. Funny thing, the handguard is where the quality control...
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Most Recent Reviews
Great Bargain by Chris, Verified Owner, September 12, 2024
Aero makes great AR parts and this upper is no different. I put this on an Aero lower with a Geissele trigger and used an acog for an optic and i was hitting out to 300yds without any issies. You can never go wrong with Aero!
Most Recent Reviews
Great Upper Reciever! by SETH Eisman, Verified Owner, May 16, 2024
Works well with all of the lowers that I have, light and high quality!
Read All 15 Reviews

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Product Info for Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider

Protect your hands and rails from your muzzle with this Aero Precision M4E1 Threaded 5.56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero Precision feature an advanced handguard attachment system that is incredibly secure, yet easy to remove. Then, this Aero Precision M4E1 Threaded 5.56 Mid Length Barrel Complete Upper Receiver provides a front and rear Picatinny rail for weapon accessories like laser sights, lights and other attachments. This Aero Precision M4E1 Threaded Complete Upper Receiver w/ ATLAS S-ONE Handguard also has a .250 takedown pin hole for added portability, and there is an integrated port door for enhanced cooling. Pick up the complete Aero Precision M4E1 Threaded Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver to get a rugged and lightweight gun barrel for your project.image

WARNING: California`s Proposition 65

Specifications for Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider:

Manufacturer: Aero Precision
Caliber: 5.56x45mm NATO
Overall Length: 26 in
Barrel Length: 16 in
Gas System Length: Mid Length
Barrel Twist Rate: 1-7
Threads per Inch: 1/2x28
Muzzle Device: A2 Flash Hider
Gun Model: AR-15
Condition: New
Fabric/Material: 4150 CrMoV
Gas Block Journal Size-Diameter: .750 in
Handguard Style: Hybrid Rail
Gun Rail: M-LOK
Gun Type: Rifle
Gun Make: AR Platform
Barrel Material: 4150 Chrome Moly Vanadium
Gas System Type: Proprietary
Bolt Carrier Group Included: No
Charging Handle Included: No
Magazine Included: No

Features of Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider:

  • M4E1 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;
    • Port door and forward assist installed;
  • ATLAS S-ONE Handguard:
    • 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
  • 5.56 Threaded Barrel:
    • QPQ, Gas Port Drilled;
    • .0785 gas port;
    • M4 Feed Ramp Extension;
    • HP and MPI tested

Package Contents:

  • Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider
  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS S-ONE Handguard
  • 5.56 Mid Pencil CMV Barrel
  • Low Profile Gas Block and Mid-Length Gas Tube

What firearm models does the manufacturer say Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider is compatible with?

The manufacturer suggests that Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider is compatible with AR-15

Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider Orderable Models

List of Orderable Models

  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7 , MPN: APAR700304M7 , UPC: 840014601547 , Code: 29D-UFH-M4E1T556147P-APAR700304M7
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7 , MPN: APAR700305M7 , UPC: 840014601585 , Code: 29D-UFH-M4E1T556147P-APAR700305M7
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7 , MPN: APAR700315M7 , UPC: 840014601592 , Code: 29D-UFH-M4E1T556147P-APAR700315M7
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39 , MPN: APAR700305M39 , UPC: 840014601509 , Code: 29D-UFH-M4E1T556147P-APAR700305M39
  • Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7 , MPN: APAR700064M7 , UPC: 840014618705 , Code: 29D-UFH-M4E1T556147P-APAR700064M7
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700315M39 , MPN: APAR700315M39 , UPC: 840014601516 , Code: 29D-UFH-M4E1T556147P-APAR700315M39

Aero Precision M4E1 16in Threaded 5.56x45mm Complete Upper Receiver with Flash Hider Unavailable & Discontinued Models

List of Unorderable Models

  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 14.7in Barrel, ATLAS S-ONE 12in Handguard, M-LOK, Anodized, Black, APAR700304M38 , MPN: APAR700304M38 , Code: 29D-UFH-M4E1T556147P-APAR700304M38
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 12in Handguard, KeyMod, Anodized, Black, APAR700204P39 , MPN: APAR700204P39 , UPC: 840014601448 , Code: 29D-UFH-M4E1T556147P-APAR700204P39
  • DEMO, Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M7 , MPN: APAR700304M7-DEMO , Code: 29D-UFH-M4E1T556147P-APAR700304M7-DEMO
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, KeyMod, Anodized, Black, APAR700205P39 , MPN: APAR700205P39 , Code: 29D-UFH-M4E1T556147P-APAR700205P39
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in KeyMod ATLAS S-ONE Handguard, Anodized Black, APAR700204P7 , MPN: APAR700204P7 , Code: 29D-UFH-M4E1T556147P-APAR700204P7
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 14.7in Barrel, ATLAS S-ONE 12in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700314M38 , MPN: APAR700314M38 , Code: 29D-UFH-M4E1T556147P-APAR700314M38
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 12in Handguard, M-LOK, Cerakote, Flat Dark Earth, APAR700314M39 , MPN: APAR700314M39 , Code: 29D-UFH-M4E1T556147P-APAR700314M39
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 14.7in Barrel, ATLAS S-ONE 12in Handguard, KeyMod, Cerakote, Flat Dark Earth, APAR700214P38 , MPN: APAR700214P38 , Code: 29D-UFH-M4E1T556147P-APAR700214P38
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 14.7in Barrel, ATLAS S-ONE 12in Handguard, KeyMod, Anodized, Black, APAR700204P38 , MPN: APAR700204P38 , Code: 29D-UFH-M4E1T556147P-APAR700204P38
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 12in Handguard, KeyMod, Cerakote, Flat Dark Earth, APAR700214P39 , MPN: APAR700214P39 , Code: 29D-UFH-M4E1T556147P-APAR700214P39
  • DEMO, Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700314M7 , MPN: APAR700314M7-DEMO , Code: 29D-UFH-M4E1T556147P-APAR700314M7-DEMO
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in KeyMod ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700214P7 , MPN: APAR700214P7 , Code: 29D-UFH-M4E1T556147P-APAR700214P7
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in KeyMod ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700215P7 , MPN: APAR700215P7 , Code: 29D-UFH-M4E1T556147P-APAR700215P7
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in KeyMod ATLAS S-ONE Handguard, Anodized Black, APAR700205P7 , MPN: APAR700205P7 , UPC: 840014601561 , Code: 29D-UFH-M4E1T556147P-APAR700205P7
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 12in Handguard, M-LOK, Anodized, Black, APAR700304M39 , MPN: APAR700304M39 , Code: 29D-UFH-M4E1T556147P-APAR700304M39
  • Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, KeyMod, Cerakote, Flat Dark Earth, APAR700215P39 , MPN: APAR700215P39 , Code: 29D-UFH-M4E1T556147P-APAR700215P39
  • Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700314M7 , MPN: APAR700314M7 , UPC: 840014601554 , Code: 29D-UFH-M4E1T556147P-APAR700314M7
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