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 Rifle Parts Receiver Parts Receivers Upper Receivers

Upper Receivers

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

Upper Receivers - Products

91 - 105 of 179 results
🎯 Upgrade your AR-15 with Colt's M4 LE6940 monolithic upper receiver group! Featuring a free floated barrel & built-in sights. Get the precision edge! 🔫
COLT M4 LE6940 UPPER GROUP 16IN WITH BCG AND SIGHTS
M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS
COLT
Not available - Is a 'Call to order' product.
£2,072.05 *
Upper Receivers
0
🔫 Upgrade your AR-15 with the Colt M4 LE6920 5.56 Upper Receiver! 16'' barrel, chrome-lined with BCG & sights. Get legendary reliability. Shop now! 🎯
COLT M4 LE6920 UPPER GROUP 16IN WITH BCG AND SIGHTS
M4 5.56 UPPER RECEIVER GROUPS
COLT
Not available - Is a 'Call to order' product.
£1,500.55 * £1,497.25 - £1,500.55*
Upper Receivers
0
🔫 Upgrade your AR-15 with Colt's 14.5" Complete Upper Receiver. Legendary reliability & precision with a free-floating barrel. Shop now & enhance your rifle! 🎯
COLT COMPLETE UPPER RECEIVER 14.5"
AR-15 14.5 COMPLETE UPPER RECEIVER
COLT
Not available - Is a 'Call to order' product.
£2,084.75 *
Upper Receivers
0
Upgrade your AR-15 with the Gibbz Arms G4 Side Charging Upper Receiver 🛠️ Non-reciprocating, mil-spec compatible & ready for calibers from 22LR to 50 Beowulf. Shop now for enhanced performance! 🔫
GIBBZ ARMS G4 SIDE CHARGING UPPER RECEIVER
AR-15/M16 G4 SIDE CHARGING UPPER RECEIVER
GIBBZ ARMS
Not available - Is a 'Call to order' product.
£336.95 *
Upper Receivers
4.6
🎯 Upgrade your AR-15 with Aero Precision's M4E1 Enhanced Upper Receiver! Forged from 7075 T6 aluminum & anodized for durability. Get started on your build today! 🔧🛠️
AERO PRECISION M4E1 ENHANCED UPPER RECEIVER
AR-15 M4E1 ENHANCED UPPER RECEIVER
AERO PRECISION
Not available - Is a 'Call to order' product.
£194.45 *
Upper Receivers
5
Upgrade your AR-15 with the .458 SOCOM Billet Upper Receiver by CROSS MACHINE TOOL CO. 🛠️ Stripped, anodized, and ready for big-bore calibers. Shop now! ⚙️🔫
CROSS MACHINE TOOL CO. AR-15/M16 BILLET UPPER RECEIVER, .458 SOCOM
AR-15/M16 458 SOCOM BILLET UPPER RECEIVER
CROSS MACHINE TOOL CO.
Not available - Is a 'Call to order' product.
£177.50 *
Upper Receivers
5
🔫 Upgrade your rifle with Aero Precision's AR-15 Assembled Upper Receiver! Forged for accuracy & includes port door + forward assist. Learn more! 🎯
AERO PRECISION AR-15/M16 ASSEMBLED UPPER RECEIVER
AR-15/M16 ASSEMBLED UPPER RECEIVER
AERO PRECISION
Not available - Is a 'Call to order' product.
£113.65 * £113.65 - £127.65*
Upper Receivers
4.1
🔥 Upgrade your AR-15 with the ultra-lightweight Billet Upper Receiver from Battle Arms! Precision CNC machined, M4 feed ramps & anodized finish. Shop now! 🇺🇸
BATTLE ARMS DEVELOPMENT INC. LIGHTWEIGHT BILLET UPPER RECEIVER
AR-15 LIGHTWEIGHT BILLET UPPER RECEIVER
BATTLE ARMS DEVELOPMENT INC.
Not available - Is a 'Call to order' product.
£377.55 *
Upper Receivers
0
Transform your AR-15 with the FIGHTLITE MCR Belt-Fed Upper Receiver 🌟 Full-auto, 16.25" barrel, & Picatinny rails. Shop now for the ultimate firepower upgrade! 🔥🛒
FIGHTLITE INDUSTRIES MCR BELT-FED UPPER RECEIVER AUTO 16.25" 1913
MCR BELT-FED UPPER RECEIVER FULL AUTO
FIGHTLITE INDUSTRIES
Not available - Is a 'Call to order' product.
£8,571.00 *
Upper Receivers
0
🔫 Build your perfect AR with the ATI AR-15 M4 Stripped Upper Receiver. Forged from T7075 aluminum, it ensures reliable feeding with M4-type cuts. Shop now! 🛒
ATI AR-15 M4 STRIPPED UPPER RECEIVER
AR-15 M4 STRIPPED UPPER RECEIVER
ATI
Not available - Is a 'Call to order' product.
£100.35 *
Upper Receivers
5
🎯 Enhance your shooting with the Daniel Defense MK18 5.56 Upper Receiver! Precision-crafted for USSOCOM, ready for CQB. Shop now for elite performance! 🔫
DANIEL DEFENSE MK18 10.3" UPPER RECEIVER 5.56 1-7 GOVT BLACK
MK18 5.56 UPPER RECEIVER GROUP COMPLETE
DANIEL DEFENSE
Not available - Is a 'Call to order' product.
£1,616.85 *
Upper Receivers
0
Upgrade your AR-15 with the SR-15 E3 MOD 2 Upper Receiver from KNIGHTS ARMAMENT 🛠️. Featuring a 14.5" chrome-lined barrel, M-LOK handguard, and dual-ejector bolt. Get battle-ready quality now! 🔫🎯
KNIGHTS ARMAMENT AR-15 UPPER RECEIVER CARBINE MOD 2 14.5" URX 4
SR-15 E3 MOD 2 UPPER RECEIVERS M-LOK
KNIGHTS ARMAMENT
Not available - Is a 'Call to order' product.
£2,534.95 * £2,533.95 - £2,667.45*
Upper Receivers
0
🔫 Upgrade your AR-15 with Anderson Manufacturing's 300BLK Upper Receiver Assembly! 16'' barrel, 1-8 twist, no BCG. Perfect for 300 Blackout enthusiasts. Learn more! ✨
ANDERSON MANUFACTURING AR-15 UPPER RECEIVER ASSEMBLY 300BLK NO BCG
AR-15 UPPER RECEIVER ASSEMBLY 300BLK NO BCG
ANDERSON MANUFACTURING
Not available - Is a 'Call to order' product.
£423.05 *
Upper Receivers
5
🔧 Build your CETME gun with precision! Get the Hill & Mac Gunworks CETME Receiver Flat - the most accurate flat in the US 🇺🇸. Click to learn more & start your build! 🛠️
HILL & MAC GUNWORKS CETME RECEIVER FLAT STEEL RAW
CETME RECEIVER FLAT STEEL RAW
HILL & MAC GUNWORKS
Not available - Is a 'Call to order' product.
£394.90 *
Upper Receivers
0
Show 15 more results (Page 8)
Loading
91 - 105 of 179 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