The store will not work correctly when cookies are disabled.

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Buy Now, Pay Later with Credova. Approval subject to eligibility check.Apply Now

MEMORIAL DAY SALE: SAVE up to 35% on Products SITE-WIDE!SHOP NOW!

Shop
- Memorial Day Sale
  - Memorial Day Sale
    
    SHOP NOW
- AR15
  - AR15/M4E1
    
    Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface.
    Learn More
- M5/AR308
  - M5/AR308
    
    Mil-spec dimensions and coating ensure the highest quality and correct component interface for your next big-bore AR.
    Learn More
- EPC
  - EPC
    
    The EPC-9 lineup is perfect for your next 9mm or 40S&W AR build.
    Learn More
- Bolt Action
  - Solus Bolt Action
    
    The Aero Precision SOLUS works to provide hunters, competitors, and shooting enthusiasts with a custom shooting experience.
    Learn More
- Suppressors
  - Suppressors
    
    The Lahar-30 is built to be a workhorse — providing durability, performance, and flexibility in a single package.
    Learn More
- Lifestyle
  - - Apparel
    - SWAG
  - Lifestyle
    
    Because your shirt should always match your favorite firearms manufacturer
    Shop Now
- On Sale
- Other Brands
  - Other Brands
    
    Shop from a wide selection of high-performance parts and accessories from other industry leaders.
    SHOP NOW
Discover
Find a Dealer
- Dealer Locator
- Become a Dealer
Military/LEO
Account
Compare ()

Search

My Account
My Purchase Orders
My Wish Lists
My Orders
Sign In
Create Account

Upper Receivers

Upper Receivers

Home
AR15
Upper Receivers

Explore

Upper Receivers

RECEIVER SETS

COMPLETE UPPERS

ASSEMBLED UPPERS

STRIPPED UPPERS

182 Items

Showing 1-17 of 182

1
2
3
4
5

Sort By Low to high

grid view

Now filtering by:

Caliber: 5.56 NATO

Filter By

Ejection Orientation

Left-Handed Ejection
Right-Handed Ejection

Extractor Material

4340 Steel

Handguard type

Free Float
Drop In

Platform

AR15

Series

M4E1
Slimline
M5E1
R-ONE/S-ONE
Mil-Spec

Platform

AR15
M4E1

Finish

Magpul FDE Cerakote

Magpul OD Cerakote

OD Green Anodized

Kodiak Brown Anodized

Handguard Length

13.5"

Barrel Length

7.5"
8"
10.5"
11.5"
12.5"
13.7"
13.9"
14.5"
14.7"
16"
16.3"
18"
20"

Price

$200.00 - $300.00
$300.00 - $400.00
$400.00 - $500.00
$500.00 - $600.00
$600.00 - $700.00
$700.00 - $800.00
$800.00 - $900.00
$1,000.00 - $1,100.00
$1,100.00 - $1,200.00

Compare Products

182Items

Sale

IN STOCK SHIPPING NOW

Added

APSL100844

M4E1 Threaded 14.5" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper W/ 13.5" Slimline Handguard - Anodized Black

Special Price $299.99 Regular Price $675.00

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

IN STOCK SHIPPING NOW

Added

Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel w/ Pinned FSB, MOE SL Carbine - FDE

AR15 Complete Upper, 16" 5.56 M4 Carbine Stag Barrel w/ Pinned FSB, MOE SL Carbine - FDE

Special Price $269.99 Regular Price $455.00

Sale

Added

Aero Precision M4E1 Threaded 20" 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

M4E1 Threaded 20" 5.56 Complete Upper Receiver w/R-ONE Handguard

$438.75 $675.00

Sale

Added

Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, MOE SL Mid-Length

AR15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, MOE SL® Mid-Length

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

new

Sale

Added

M4E1 Enhanced Complete Upper, 16" 5.56 HBAR Mid-Length Barrel w/ 15" Enhanced Quad Rail Handguard

M4E1 Enhanced Complete Upper, 16" 5.56 HBAR Mid-Length Barrel w/ 15" Enhanced Quad Rail Handguard

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Builder Sets

Builder Sets:

Irish DPM Camo

Shop Now

SALE

Memorial Day Sale!

Shop Now

Builder Sets

Builder Sets:

Forsaken Marshlands

Shop Now

Sale

Added

Aero Precision AR15 Complete Upper, 20" 5.56 w/ Pinned FSB & MOE Handguard

AR15 Complete Upper, 20" 5.56 w/ Pinned FSB & MOE® Handguard

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

new

Sale

Added

M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS R-ONE M-LOK Handguard

M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" R-ONE M-LOK Handguard

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

Added

Aero Precision AR15 Gen 2 Complete Upper, 16" 5.56 Mid Pencil Length Barrel, ATLAS S-ONE Handguard

M4E1 Threaded 16" 5.56 Pencil Complete Upper Receiver w/S-ONE Handguard

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

Added

Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel w/ Pinned FSB, MOE SL Carbine

AR15 Complete Upper, 16" 5.56 Carbine Barrel w/ Pinned FSB, MOE SL® Carbine

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

Added

M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/R-ONE Handguard

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

Added

M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver

M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver

$416.00 $640.00

new

Sale

Added

M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ 10.3" M-LOK ATLAS R-ONE Handguard

M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ 10.3" M-LOK R-ONE Handguard

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

Added

M4E1 Enhanced 14.5" 5.56 M4 Carbine Length Barrel Complete Upper Receiver

M4E1 Enhanced 14.5" 5.56 M4 Carbine Length Barrel Complete Upper Receiver

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

new

Sale

Added

AR15 14.5" 5.56 Mid-Length Gov QPQ Barrel Complete Upper 13.5" Slimline Left Handed - Anodized Black

AR15 14.5" 5.56 Mid-Length Gov QPQ Barrel Complete Upper 13.5" Slimline Left Handed - Anodized Black

Special Price $291.68 Regular Price $610.00

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Sale

Added

Aero Precision AR15 16" 5.56 Mid-Length Barrel Complete Upper w/ Pinned FSB & M4 Handguard

AR15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard

Special Price $292.50 Regular Price $450.00

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

New

Sale

Added

AR15 16" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper 13.5" Slimline Handguard Left Handed - Anodized Black

AR15 16" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper 13.5" Slimline Handguard Left Handed - Anodized Black

Special Price $291.19 Regular Price $605.00

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

new

Sale

Added

AR15 Left Handed 16" 5.56 Mid-Length Gov QPQ Complete Upper w/ 13.5" Slimline Handguard - Anodized

AR15 Left Handed 16" 5.56 Mid-Length Gov QPQ Complete Upper w/ 13.5" Slimline Handguard - Anodized

Special Price $330.43 Regular Price $615.00

Subscribe to back in stock

Subscribe to back in stock notification

Close

Out of stock

Compare Products

182 Items

Showing 1-17 of 182

1
2
3
4
5

Sort By Low to high

grid view

Sign Up For Special Offers

Enter Email Address

Facebook
Instagram
Twitter
YouTube

SHOP

Find a Dealer
Shop AR15
Shop M5/AR308
Other Brands

Your account

Wishlist
Order Status
Dealer Login
Guest Order Status

Support

Submit a Request
Returns
Buy Now Pay Later with Credova
FAQ

Legal

Terms and Conditions
Private Policy
Manuals

Military/LEO

Military/LEO Discount
LEO Agency Sales

About us

Contact Us
Manufacturing & OEM
Employment
Monthly Rifle Giveaway

Aero Precision

2320 Commerce St
Tacoma, WA 98402
Phone: 253-272-8188
Fax: 253-272-1168

Hours: Mon-Fri, 8am - 4pm

©2025 Aero Precision. All rights reserved.