My Account (Sign in)
Your basket is empty.
0
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 United Kingdom
My Account (Sign in)
Shopping list
(0)
Basket
Newsletter Newsletter
Sale
Home Popular AR Upper

AR Upper

AR Upper Rifle Parts
AR Upper > Rifle Parts - Preview 0 AR Upper > Rifle Parts - Preview 1 AR Upper Handgun Parts
AR Upper > Handgun Parts - Preview 0 AR Upper > Handgun Parts - Preview 1 AR Upper Shotgun Parts
AR Upper > Shotgun Parts - Preview 0 AR Upper > Shotgun Parts - Preview 1 AR Upper Magazines
AR Upper > Magazines - Preview 0 AR Upper > Magazines - Preview 1 AR Upper Reloading
AR Upper > Reloading - Preview 0 AR Upper > Reloading - Preview 1 AR Upper Shooting Accessories
AR Upper > Shooting Accessories - Preview 0 AR Upper > Shooting Accessories - Preview 1 AR Upper Gunsmith Tools
AR Upper > Gunsmith Tools - Preview 0 AR Upper > Gunsmith Tools - Preview 1 AR Upper Optics & Mounting
AR Upper > Optics & Mounting - Preview 0 AR Upper > Optics & Mounting - Preview 1 AR Upper Gun Cleaning & Chemicals
AR Upper > Gun Cleaning & Chemicals - Preview 0 AR Upper > Gun Cleaning & Chemicals - Preview 1 AR Upper Emergency & Survival Gear
AR Upper > Emergency & Survival Gear - Preview 0 AR Upper > Emergency & Survival Gear - Preview 1

Restrict search
  • Products
  • Bestseller
  • Top rated
  • Sale
  • New
then

AR Upper - Products

1001 - 1020 of 1189 results
🔒 Keep your M4-style carbine secure & discreet with the AR15.COM Covert Takedown Soft Case. 🎯 Perfect for range & emergency needs. Get yours now! 🛒
AR15.COM COVERT TAKEDOWN SOFTCASE BLACK
AR COVERT TAKEDOWN SOFT CASE
AR15.COM
Not available
 
Gun Cases
0
🔧 Upgrade your AR-15 with the BRN-4 Piston Upper Receiver Kit! Featuring HK® 416 components, nitride BCG, and a 10.4" barrel. Get started on your build today! ⚙️🛠️
BROWNELLS BRN-4 10.4" UPPER RECEIVER KIT
BRN-4 PISTON UPPER RECEIVER KITS
BROWNELLS
Not available - Is a 'Call to order' product.
£1,849.90 *
Barreled Receivers
0
🔫 Upgrade your build with the Aero Precision M4E1 Stripped Lower Receiver in O.D. Green Cerakote finish! Strong, lightweight, and mil-spec compatible. Shop now for a custom look without the cost! ✨
AERO PRECISION M4E1 STRIPPED LOWER RECEIVER FOR AR-15 ODG CERAKOTE
AR-15 M4E1 STRIPPED LOWER RECEIVERS 5.56MM
AERO PRECISION
Reordered - Is a 'Call to order' product.
£219.90 * £194.90 - £219.90*
Lower Receivers
0
🔫 Upgrade your AR-15 with Brownells 14.5" Lightweight Carbine Barrel for enhanced accuracy & performance. Mid-length, 1-8 twist, 223 Wylde chambered. Shop now! ✨
BROWNELLS AR-15 14.5" A1 BARREL 1/2-28" CHROME MOLY NITRIDE
AR-15 LIGHTWEIGHT CARBINE BARRELS
BROWNELLS
In stock - Is a 'Call to order' product.
£164.90 * £164.90 - £174.90*
Rifle Barrels
0
🎯 Upgrade your Ruger® Mark IV™ with the Volquartsen LLV Competition Upper! Precision and balance for peak performance. 🏆 Get yours today!
VOLQUARTSEN RUGER MKIV LLV COMPETITION UPPER 4.5"
RUGER® MKIV™ LLV COMPETITION UPPER 4.5"
VOLQUARTSEN
In stock - Is a 'Call to order' product.
£529.90 *
5
🎯 Upgrade your Ruger® Mark IV™ with the Volquartsen LLV Competition Upper! Precision and balance for top accuracy. 🛠️ Easy install with sights or optic rail. Get yours now! 🔫
VOLQUARTSEN RUGER MKIV LLV COMPETITION UPPER 4.5" WITH TARGET SIGHTS
RUGER® MKIV™ LLV COMPETITION UPPER 4.5" WITH SIGHTS
VOLQUARTSEN
Reordered - Is a 'Call to order' product.
£749.90 *
0
Upgrade your AR-15 with the JP Low Mass Polished Stainless Carrier 🌟 Smooth cycling, reliable performance & tactical readiness. Learn more now!
J P ENTERPRISES JP LOW MASS POLISHED STAINLESS CARRIER WITH KEY INSTALLED
AR-15 STAINLESS STEEL LOW MASS BOLT CARRIER
J P ENTERPRISES
In stock - Is a 'Call to order' product.
£309.90 *
Bolt Carriers
0
🔫 Build your AR-15 with confidence! Get the BCM Complete Lower Receiver in Flat Dark Earth with BCMGUNFIGHTER™ Stock. Perfect for any build. Shop now! 🎯
BRAVO COMPANY COMPLETE LOWER RECEIVER W/ GUNFIGHTER STOCK FDE
AR-15 COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER™ STOCK
BRAVO COMPANY
Reordered - Is a 'Call to order' product.
£589.90 * £529.90 - £589.90*
Lower Receivers
0
🔫 Upgrade your AR-15 with Brownells 16" A1 Lightweight Carbine Barrels! Precision-crafted for balance & accuracy 🎯. Fits .223 & 5.56 NATO. Shop now & enhance your shooting experience! 🛒
BROWNELLS AR-15 16" A1 BARREL 1/2-28" CHROME MOLY NITRIDE
AR-15 LIGHTWEIGHT CARBINE BARRELS
BROWNELLS
In stock - Is a 'Call to order' product.
£174.90 * £164.90 - £174.90*
Rifle Barrels
0
🔥 Upgrade your AR-15 with the KE Arms KE-15 Billet Complete Lower Receiver! Precision-machined for high-capacity mags, mil-spec parts & hard-anodized finish. Get started now! 🎯
KE ARMS KE-15 BILLET COMPLETE LOWER RECEIVER W/ FLARED MAGWELL
KE-15 BILLET COMPLETE LOWER RECEIVER W/ FLARED MAGWELL 5.56MM
KE ARMS
Not available - Is a 'Call to order' product.
£749.90 *
Lower Receivers
0
Upgrade your AR-15 with the KE Arms KE-15 Billet Stripped Lower Receiver 🎯 Flared mag well for faster reloads, hard-anodized finish, mil-spec compatible. Shop now! 🔫
KE ARMS KE-15 BILLET STRIPPED LOWER RECEIVER W/ FLARED MAG WELL
KE-15 BILLET STRIPPED LOWER RECEIVER W/ FLARED MAG WELL 5.56MM
KE ARMS
Not available - Is a 'Call to order' product.
£319.90 *
Lower Receivers
0
🛠️ Build your custom AKM with a Polish-made 7.62x39 Receiver Blank from PW ARMS, INC. Unfinished & ready for your project! Learn more about this essential rifle part. 🔫
PW ARMS AKM/AKMS 7.62X39 RECEIVER BLANK
AK47 7.62x39 RECEIVER BLANK
PW ARMS
Reordered - Is a 'Call to order' product.
£39.90 *
Rifle Receivers
0
🔥 Build your AR-15 with ease! Get the Bravo Company Complete Lower Receiver with BCMGUNFIGHTER™ Stock in Wolf Grey. Anodized finish & Multi-caliber ready. Learn more! ✨
BRAVO COMPANY COMPLETE LOWER RECEIVER W/ GUNFIGHTER STOCK WOLF GREY
AR-15 COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER™ STOCK
BRAVO COMPANY
Not available - Is a 'Call to order' product.
£529.90 * £529.90 - £589.90*
Lower Receivers
0
🔫 Upgrade your AR-15 with the KE-9 Billet Ambidextrous Lower Receiver! Precision-machined for 9mm setups, with a built-in mag catch. Learn more & customize now! 🛠️✨
KE ARMS KE-9 BILLET STRIPPED LOWER RECEIVER W/MAG CATCH 9MM
KE-9 BILLET STRIPPED AMBIDEXTROUS LOWER RECEIVER W/MAG CATCH 9MM
KE ARMS
Not available - Is a 'Call to order' product.
£299.90 *
Lower Receivers
0
🔫 Build your 9mm PCC with KE Arms KE-9 Billet Stripped Lower Receiver! ✨ Crafted from 7075 aluminum & compatible with Glock-style mags. Shop now! 🛒
KE ARMS KE-9 BILLET STRIPPED LOWER RECEIVER 9MM
KE-9 BILLET STRIPPED LOWER RECEIVER 9MM
KE ARMS
Not available - Is a 'Call to order' product.
£294.90 *
Lower Receivers
0
🔫 Build your 9mm carbine with ease using the KE-9 Billet Mil-Spec Complete Lower Receiver! Compatible with Glock mags & mil-spec uppers. Shop now for quality & precision! 🛠️
KE ARMS KE-9 BILLET MIL-SPEC COMPLETE LOWER RECEIVER 9MM
KE-9 BILLET MIL-SPEC COMPLETE LOWER RECEIVER 9MM
KE ARMS
Not available - Is a 'Call to order' product.
£409.90 *
Lower Receivers
0
Show 20 more results (Page 52)
Loading
1001 - 1020 of 1189 results
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
Product Categories
Ordering
Customer Service

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.

Brownells Norge - Komplett utvalg av ladeutstyr, våpendeler, kuler, hylser, kikkerter, optikk og luftvåpen Brownells Österreich - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Switzerland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Deutschland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells France - Le plus grand fournisseur d'Accessoires pour le tir, Pièces détachées & Outils d'Armurier Brownells Iberica - El mayor proveedor de accesorios para el Tiro, Piezas y herramientas del armero. Brownells Sverige - Världens största leverantör av Vapendelar, Vapensmide Verktyg & Skyttetillbehör Brownells Suomi Brownells Italia - Il negozio del più grande rivenditore di componenti e accessori per armi da tiro, difesa e caccia Brownells Polska - Największy na świecie dostawca części broni, narzędzi rusznikarskich & akcesoriów strzeleckich Brownells Česko - Největší světový dodavatel součástí zbraní, střeleckého příslušenství a zbrojního nářadí
*
Prices inclusive of duty & VAT.

© 2024 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical view Mobile view