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 Castle Nut

Castle Nut

Castle Nut Rifle Parts
Castle Nut > Rifle Parts - Preview 0 Castle Nut > Rifle Parts - Preview 1 Castle Nut Handgun Parts
Castle Nut > Handgun Parts - Preview 0 Castle Nut > Handgun Parts - Preview 1 Castle Nut Shooting Accessories
Castle Nut > Shooting Accessories - Preview 0 Castle Nut > Shooting Accessories - Preview 1 Castle Nut Gunsmith Tools
Castle Nut > Gunsmith Tools - Preview 0 Castle Nut > Gunsmith Tools - Preview 1 Castle Nut Emergency & Survival Gear
Castle Nut > Emergency & Survival Gear - Preview 0 Castle Nut > Emergency & Survival Gear - Preview 1

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

Castle Nut - Products

31 - 45 of 261 results
Upgrade your AR-15 with Strike Industries' Ultralight End Plate & Anti-Rotation Nut in FDE 🛠️. Anodized aluminum, QD socket & sling loops. Shop now! 🔧🔩
STRIKE INDUSTRIES FDE MULTI-FUNCTION END PLATE W/ANTI-ROTATION CASTLE NUT BLCK
ULTRALIGHT MULTI-FUNTION END PLATE & ANTI-ROTATION CASTLE NUT
STRIKE INDUSTRIES
In stock
£49.90 *
Buffer Tube Hardware
0
🛠️ Get the perfect fit with REAL AVID's MASTER-FIT Castle Nut Wrench for gunsmithing! Titanium-coated for durability. Shop now for precision tool control. 🔧
REAL AVID MASTER-FIT EXTENDED & STANDARD 2-SIDED CASTLE NUT WRENCH
MASTER-FIT EXTENDED & STANDARD 2-SIDED CASTLE NUT WRENCH
REAL AVID
In stock
£49.90 *
Wrenches
0
Upgrade your AR-15 with Aero Precision's Enhanced Pistol Buffer Tube 🛠️. Perfect fit for standard AR15 & M5 lowers. Lightweight & durable 7075 Aluminum. Shop now! 🔫
AERO PRECISION ENHANCED PISTOL BUFFER TUBE FOR AR-15 BLACK
AR-15 ENHANCED PISTOL BUFFER TUBE
AERO PRECISION
In stock
£54.90 *
Buffer Tubes
0
🔧 Upgrade your toolkit with the precision CNC-machined DUPLEX Castle Nut Wrenches from Forward Controls Design. Heavy-duty, versatile & made in the USA. Get yours now! 🔩
FORWARD CONTROLS DESIGN DUPLEX 2 & 3 LUG WRENCHES W/ WRENCH SOCKET BLACK
DUPLEX 2 & 3 LUG WRENCHES
FORWARD CONTROLS DESIGN
In stock
£47.90 * £47.90 - £54.90*
Wrenches
0
🔧 Upgrade your AR-15 toolkit with the precision CNC-machined DUPLEX Castle Nut Wrenches by FORWARD CONTROLS DESIGN LLC. 🇺🇸 Made in the USA, perfect for torque wrench use. Learn more now!
FORWARD CONTROLS DESIGN JOINT MUZZLE DEVICE WRENCH
DUPLEX 2 & 3 LUG WRENCHES
FORWARD CONTROLS DESIGN
In stock
£54.90 * £47.90 - £54.90*
Wrenches
0
🔧 Upgrade your AR-15 with the premium BROWNELLS Pistol Buffer Tube Assembly! Includes tube, spring, buffer & more. Matte finish. Get started on your build now! 🛠️
BROWNELLS AR-15 PISTOL BUFFER TUBE ASSEMBLY 6061-T6 BLACK
AR-15 PISTOL BUFFER TUBE ASSEMBLY
BROWNELLS
In stock
£79.90 *
Recoil Hardware
1
🔧 Upgrade your gunsmithing with the Echo Zulu Steel Armorer's Wrench by Tango Uniform! Precision-built for AR castle nuts. 🛠️ Get consistent results now! ✨
TANGO UNIFORM ECHO ZULU STEEL ARMORER'S WRENCH
ECHO ZULU STEEL ARMORER'S WRENCH
TANGO UNIFORM
In stock
£79.90 *
Wrenches
0
Upgrade your AR-15 with the sleek 🌟 Black End Plate w/ 3-QD Sling Swivel Sockets 🔄 by Forward Controls Design LLC. Perfect for tactical setups! Learn more ➡️
FORWARD CONTROLS DESIGN SLING ADAPTER END PLATE, BLACK
AR-15 END PLATE W/ 3-QD SLING SWIVEL SOCKETS STEEL
FORWARD CONTROLS DESIGN
In stock
£79.90 * £79.90 - £89.90*
Buffer Tube Hardware | Tactical Sling Mounts
0
Upgrade your AR-15 with a sleek END PLATE featuring 3-QD Sling Swivel Sockets from FORWARD CONTROLS DESIGN LLC 🛠️. Durable steel, DLC Black finish. Shop now! 🔩🔗
FORWARD CONTROLS DESIGN END PLATE W/ 3-QD SLING SWIVEL SOCKETS BLACK DLC
AR-15 END PLATE W/ 3-QD SLING SWIVEL SOCKETS STEEL
FORWARD CONTROLS DESIGN
In stock
£84.90 * £79.90 - £89.90*
Buffer Tube Hardware | Tactical Sling Mounts
0
Upgrade your AR-15 with the robust 💪 END PLATE w/ 3-QD Sling Swivel Sockets from Forward Controls Design LLC. Perfect for tactical setups 🛠️. Get started now!
FORWARD CONTROLS DESIGN SLING ADAPTER END PLATE, ODG
AR-15 END PLATE W/ 3-QD SLING SWIVEL SOCKETS STEEL
FORWARD CONTROLS DESIGN
In stock
£89.90 * £79.90 - £89.90*
Buffer Tube Hardware | Tactical Sling Mounts
0
Upgrade your AR-15 with the MDT Fixed to Carbine Adapter Lock Plate. 🛠️ Easy installation, durable aluminum, sleek black finish. Get started now! 🔧
MDT Fixed to Carbine Adapter Lock Plate Black
MDT Fixed to Carbine Adapter
MDT
In stock
£29.90 *
Adapter
0
🔧 Upgrade your AR build with the Echo Zulu Armorer's Kit by Tango Uniform! Precision tools for consistent castle nut staking. Get started on your project today! 🔩
TANGO UNIFORM ECHO ZULU ARMORER'S KIT
ECHO ZULU ARMORER'S KIT
TANGO UNIFORM
In stock
£114.90 *
Receiver Tools
0
Upgrade your AR-15 with Brownells Mil-Spec Buffer Tube Assembly 🛠️ Fits M16/M4 lowers, includes all essential components. Get the best quality now! ⚙️🔫
BROWNELLS M4 MIL-SPEC BUFFER TUBE ASSEMBLY
AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY
BROWNELLS
In stock
£74.90 *
Buffer Tubes
4.7
🔧 Finish your AR-15 build with the CMC Triggers Buffer Tube Assembly! 🌟 Mil-Spec, 6-position, and crafted from 7075-T6 aluminum. Get started now! 💪
CMC TRIGGERS AR-15 BUFFER TUBE ASSEMBLY CARBINE MIL-SPEC 6-POSITION
AR-15 BUFFER TUBE ASSEMBLY
CMC TRIGGERS
In stock
£89.90 *
Buffer Tubes
0
Show 15 more results (Page 4)
Loading
31 - 45 of 261 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