Your basket is empty.

Basket

Help and contact

Free standard delivery over £199

100-day return policy

Brownells UK - World's Largest Supplier of Gun Parts, Gunsmith Tools & Shooting Accessories

My Account (Sign in)

Shopping list

(0)

Basket

Shop
Schematics
Manufacturers

Newsletter

Sale

Firearms
Rifle Parts
Handgun Parts
Shotgun Parts
Magazines
Reloading
Shooting Accessories
Gunsmith Tools
Optics & Mounting
Gun Cleaning & Chemicals
—
—
—

Over 300,000 customers - we say thank you!

4.93/5 "Very good" (1400+ reviews)

40,000+ products for hunting and shooting sports

Home Rifle Parts Receiver Parts Receivers Upper Receivers Support

Upper Receivers

Categories
- Rifle Parts
  - Receiver Parts
    - Receivers
      - Barreled Receivers
      - Lower Receivers
      - Rifle Receivers
      - Upper Receivers
Restrict search
- Weapon type
- Model
- Manufacturer
- Special Filters
  - Made in USA (282)
- Price
  - -
- Style
- Length
  - 1.75'' (1)
  - 10'' (8)
  - 10.3'' (9)
  - 10.5'' (11)
  - 11'' (2)
  - 11.5'' (15)
  - 11.85'' (2)
  - 12'' (2)
  - 12.5'' (6)
  - 12.75'' (1)
  - 13.25'' (2)
  - 13.7'' (2)
  - 13.9'' (6)
  - 14.5'' (19)
  - 15.3'' (1)
  - 16'' (58)
  - 16.1'' (4)
  - 16.25'' (1)
  - 17.5'' (2)
  - 18'' (21)
  - 18.5'' (1)
  - 20'' (6)
  - 22'' (9)
  - 23.375'' (1)
  - 5'' (1)
  - 7.3'' (1)
  - 7.5'' (2)
  - 7.75'' (1)
  - 8'' (7)
  - 8.063'' (1)
  - 8.3'' (2)
  - 8.5'' (1)
  - 9'' (2)
  - 9.25'' (2)
  - 9.75'' (1)
  - View More View Less
- Cartridge
- Contour
- Muzzle
- Twist
  - 1-10 (22)
  - 1-12 (1)
  - 1-16 (1)
  - 1-6 (1)
  - 1-7 (73)
  - 1-8 (50)
  - 1-9.5 (2)
  - View More View Less
- Finish
- Stock status
  - In Stock (Brownells UK) (2)
  - In Stock (Brownells USA) (17)
- Feedback
- Search Within
  - Products
  - Bestseller
  - Top rated
  - Sale
  - New
View all filters

Restrict search

Filter by: then

Filter by:

Sort by:

Display per page: 20 40 60

Page: 1 2 3 4 5 ... 9 < >

Upper Receivers - Products

1 - 20 of 165 results

Page: 1 2 3 4 5 ... 9 < >

AERO PRECISION

AERO PRECISION 5.56MM ASSEMBLED UPPER RCVR NO AUTO SEAR CUT FOR AR-15 FDE
AR-15 UPPER RECEIVER ASSEMBLED NO AUTO SEAR CUT

Upper Receivers

In stock - Is a 'Call to order' product.

£199.90 £179.90 - 199.90

-27 %

Build your dream rifle with the M5E1 6.5 Creedmoor Upper Receiver! 🛠️ Lightweight, accurate, and ready for your custom parts.

AERO PRECISION

AERO PRECISION M5E1 6.5 CM ASSEMBLED UPPER FLUTED 22" RIFLE THREADED BLACK
M5E1 6.5 CREEDMORE ASSEMBLED UPPER RECEIVER W/GEN 2 HANDGUARD

Upper Receivers

In stock - Is a 'Call to order' product.

£768.20 £969.90 - 1,049.90

(Select Items on Sale!)

£1,049.90

-10 %

BROWNELLS

BROWNELLS BRN-180 GEN 3 223 WYLDE UPPER RECEIVER ASSEMBLY 16" BBL BLK
BRN-180 GEN 3 223 WYLDE 16" COMPLETE UPPER RECEIVER ASSEMBLY

Upper Receivers

In stock - Is a 'Call to order' product.

£1,196.90

£1,329.90

-24 %

Upgrade your AR-15 with the ARAK-21 7.62x39 complete upper receiver. 🔧 Easy installation, ambidextrous design, and innovative features await!

FAXON FIREARMS

FAXON FIREARMS ARAK-21 7.62X39MM COMPLETE UPPER RECEIVER 16" MEDIUM BBL BLK
ARAK-21 7.62X39MM COMPLETE UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£1,030.90 £1,349.90 - 1,479.90

(Select Items on Sale!)

£1,349.90

-26 %

Discover the BRN-180® Gen 2 Complete Upper Receiver Assembly! 🔥 Enjoy reliability and versatility with a .223 Wylde chamber for all your shooting needs.

BROWNELLS

BROWNELLS BRN-180 GEN 2 16" 223 WYLDE UPPER & MI SIDE FOLDING STOCK
BRN-180® GEN 2 COMPLETE UPPER RECEIVER ASSEMBLY

Upper Receivers

In stock - Is a 'Call to order' product.

£983.10 £1,149.90 - 1,329.90

(Select Items on Sale!)

£1,319.90

-10 %

LMT DEFENSE

LMT DEFENSE MRP-L M-LOK 5.56/300 BLK 9.25" ASSEMBLED UPPER RECEIVER
MRP-L M-LOK 5.56MM ASSEMBLED UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£872.90 £969.90 - 1,039.90

(Select Items on Sale!)

£969.90

-10 %

BROWNELLS

BROWNELLS BRN-180 GEN 3 223 WYLDE UPPER RCVR ASSEMBLY 13.9" BBL BLACK
BRN-180 GEN 3 223 WYLDE 13.9" P&W COMPLETE UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£1,196.90

£1,329.90

-10 %

LMT DEFENSE

LMT DEFENSE MRP-L M-LOK SHOVELNOSE 5.56MM 11.5" ASSEMBLED UPPER RECEIVER
MRP-L M-LOK SHOVELHEAD 5.56MM ASSEMBLED UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£935.90

£1,039.90

-25 %

Discover the BRN-180 16" Gen 2 Upper with MI Alpha Series Folding Stock. 🔥 Enhance your shooting experience with its reliable piston system!

BROWNELLS

BROWNELLS BRN-180 16" GEN 2 UPPER W/ MI ALPHA SERIES FOLDING STOCK
BRN-180 16" GEN 2 UPPER REC W/ MI ALPHA SERIES FOLDING STOCK

Upper Receivers

In stock - Is a 'Call to order' product.

£1,032.40

£1,379.90

-10 %

LMT DEFENSE

LMT DEFENSE MRP-L QUAD 5.56/300 BLK 9.25" ASSEMBLED UPPER RECEIVER
MRP-L QUAD 5.56MM ASSEMBLED UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£872.90 £969.90 - 1,039.90

(Select Items on Sale!)

£969.90

-24 %

Upgrade your AR-15 with the ARAK-21 5.56X45 NATO Complete Upper Receiver. ⚙️ Easy installation & innovative features for superior performance!

FAXON FIREARMS

FAXON FIREARMS ARAK-21 5.56 NATO COMPLETE UPPER RECEIVER 16" MEDIUM BBL BLK
ARAK-21 5.56X45 NATO COMPLETE UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£1,105.80 £1,369.90 - 1,449.90

(Select Items on Sale!)

£1,449.90

-10 %

BROWNELLS

BROWNELLS BRN-180 GEN 3 300BLK UPPER RECEIVER ASSEMBLY 9" BBL BLACK
BRN-180 GEN 3 300 BLACKOUT 9" COMPLETE UPPER RECEIVER ASSEMBLY

Upper Receivers

In stock - Is a 'Call to order' product.

£1,196.90

£1,329.90

-26 %

Explore the BRN-180S® Gen 2 Complete Upper Receiver Assembly! 🔥 With a 10.5" barrel, it's perfect for reliable performance and customization.

BROWNELLS

BROWNELLS BRN-180S GEN 2 UPPER RECEIVER 223 WYLDE 10.5" BARREL BLACK
BRN-180S® GEN 2 COMPLETE UPPER RECEIVER ASSEMBLY

Upper Receivers

In stock - Is a 'Call to order' product.

£854.00

£1,159.90

-28 %

AERO PRECISION

AERO PRECISION M5 (.308) ASSEM UPPER RECEIVER 16" MID-LENGTH THREADED BLK
M5 308 WINCHESTER ASSEMBLED UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£545.10

£759.90

-10 %

NORDIC COMPONENTS

NORDIC COMPONENTS 22RB 22LR 16" UPPER W/HANDGUARD, BOLT SAVER & 10RD MAG
22RB DEDICATED 22 LONG RIFLE UPPER RECEIVER

Upper Receivers

In stock - Is a 'Call to order' product.

£692.90

£769.90

-10 %

Discover the BRN-180S® 300BLK Upper with Vortex SPARC SOLAR Red Dot 🌟. Enhanced reliability and performance for your shooting needs!

BROWNELLS

BROWNELLS BRN-180S 300BLK UPPER W/SPARC SOLAR RED DOT
BRN-180S® 300BLK UPPER WITH VORTEX SPARC SOLAR RED DOT

Upper Receivers

Backorderable - Is a 'Call to order' product.

£1,268.90

£1,409.90

-10 %

Discover the M5E1 Enhanced Upper Receiver for AR .308. 🔧 Lightweight, easy to install, and engineered for superior performance!

AERO PRECISION

AERO PRECISION M5E1 ENHANCED 308 WINCHESTER ASSEMBLED UPPER RECEIVER BLACK
M5E1 .308 WIN ENHANCED ASSEMBLED UPPER RECEIVERS W/NO BARREL

Upper Receivers

Backorderable - Is a 'Call to order' product.

£265.40 £294.90 - 319.90

(Select Items on Sale!)

£294.90

-10 %

AERO PRECISION

AERO PRECISION M5 (.308) ASSEMBLED UPPER RECEIVER THREADED OD GREEN
308 AR M5 UPPER RECEIVER

Upper Receivers

4.3

Backorderable - Is a 'Call to order' product.

£238.40

£264.90

-10 %

AERO PRECISION

AERO PRECISION AR-15 STRIPPED UPPER RECEIVER NO AUTO SEAR CUT
AR-15 STRIPPED UPPER RECEIVERS

Upper Receivers

Backorderable - Is a 'Call to order' product.

£143.90

£159.90

-10 %

Upgrade your rifle with the M5E1 308 Winchester Upper Receiver featuring a Gen 2 Handguard. 🔥 Precision-crafted for performance and style!

AERO PRECISION

AERO PRECISION M5E1 308 WIN ASSEMBLED UPPER FLUTED 18" RIFLE THREADED BLACK
M5E1 308 WINCHESTER ASSEMBLED UPPER RECEIVER W/GEN 2 HANDGUARD

Upper Receivers

Backorderable - Is a 'Call to order' product.

£935.90 £1,039.90 - 1,049.90

(Select Items on Sale!)

£1,039.90

Page: 1 2 3 4 5 ... 9

Display: 20 40 60

Show 20 more results (Page 2)

1 - 20 of 165 results

Page: 1 2 3 4 5 ... 9 < >

E-mail address / User name

Password

Forgot your password?
Register

Why order from us?

Unrivaled Product Selection

You want it? We got it!

Expert Customer Advice

Via Phone, Chat & Email

US Goods to your doorstep

No customs, no problems

100 days Returns

Shop with a peace of mind

Offers, Promotions & Exclusive Products

Through our weekly newsletter

Shamelessly Honest

We encourage critical product review

Fair Pricing

We pursue a sustainable pricing policy

We won't leave you stranded

Our entire team is made up of passionate gun enthusiasts

Site Navigation

Manufacturer
Best Sellers
New Products
Schematics
Newsletter

Product Categories

Firearms
Rifle Parts
Handgun Parts
Shotgun Parts
Magazines
Reloading

Shooting Accessories
Gunsmith Tools
Optics & Mounting
Gun Cleaning & Chemicals
Emergency & Survival Gear

Ordering

Why us?
Your local dealer
Terms and Conditions
Returns
Delivery information

Customer Service

Contact Us
About Us
Becoming a dealer

Imprint
Privacy policy

Connect

Discord
Instagram
Facebook
LinkedIn
Twitter / X

Secure payment methods

Trade Associations

Welcome!

to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.

Whether you're looking to maintain, repair, or upgrade, we've got what you need!

For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.

Massive Selection
From the essentials to the unique, find everything under one roof.

Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.

Browse our collection and discover why we're the trusted name in shooting sports & hunting.

Prices inclusive of duty & VAT.

Classical view

Mobile view