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

1 - 20 of 263 results
🛠️ Get your AR-15 rifle assembled with ease using the Spikes Tactical Castle Nut Wrench! 🏗️ Durable, corrosion-resistant, and ready for torque. Shop now! 🔧✨
SPIKES TACTICAL CASTLE NUT WRENCH
AR-15 CASTLE NUT WRENCH
SPIKES TACTICAL
Reordered
£64.90 *
Wrenches
5
🔩 Upgrade your AR-15 with a Mil-Spec Castle Nut from GERMAN TACTICAL SYSTEMS. Ensure solid stability & improved accuracy. 🎯 Shop now for a reliable buffer assembly!
AR-15 Mil-Spec Castle Nut
AR-15 Castle Nut
GERMAN TACTICAL SYSTEMS
Reordered
£7.90 *
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the innovative Echo Zulu Castle Nut by Tango Uniform! Precision machined for superior staking. Learn more & enhance your build! 🔧
TANGO UNIFORM ECHO ZULU CASTLE NUT
ECHO ZULU CASTLE NUT
TANGO UNIFORM
In stock
£29.90 * £29.90 - £134.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the A5 Castle Nut by Forward Controls Design! Engineered for the Vltor A5 system, this nut ensures full stock collapse & robust fastening. 🇺🇸 Made in USA. Learn more! 🔗
FORWARD CONTROLS DESIGN A5 CASTLE NUT, BLACK
A5 CASTLE NUT
FORWARD CONTROLS DESIGN
In stock
£37.90 * £37.90 - £45.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the V Seven Lightweight Castle Nut! 30% stronger than 7075 T6, hard anodized & ultra-light at 6.7g. Shop now for a lifetime warranty! 🇺🇸✨
V SEVEN WEAPON SYSTEMS AR-15 LIGHTWEIGHT CASTLE NUT BLK
AR-15 LIGHTWEIGHT CASTLE NUT
V SEVEN WEAPON SYSTEMS
In stock
£46.90 *
Buffer Tube Hardware
5
🔩 Upgrade your AR-15 with the robust FORWARD CONTROLS DESIGN Billet Castle Nut! Enhanced staking notches & made in the USA. 🇺🇸 Get yours in black now! ⚙️
FORWARD CONTROLS DESIGN AR-15 BILLET CASTLE NUT BLACK
AR-15 BILLET CASTLE NUT
FORWARD CONTROLS DESIGN
In stock
£28.90 * £28.90 - £36.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the robust Billet Castle Nut in Burnt Bronze from Forward Controls Design LLC. Made in the USA, with improved staking notches. Learn more! 🔧
FORWARD CONTROLS DESIGN AR-15 BILLET CASTLE NUT BURNT BRONZE
AR-15 BILLET CASTLE NUT
FORWARD CONTROLS DESIGN
In stock
£35.90 * £28.90 - £36.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the V Seven Titanium Castle Nut! Lightweight at 9.7g, Mil-Spec compatible & stylish in Ionbond Black. 🇺🇸 Made in USA. Get yours now!
V SEVEN WEAPON SYSTEMS AR-15 CASTLE NUT TI BLK
AR-15 CASTLE NUT TITANIUM
V SEVEN WEAPON SYSTEMS
In stock
£69.90 * £59.90 - £69.90*
Buffer Tube Hardware
0
🔧 Upgrade your AR-15 with the robust billet castle nut from Forward Controls Design LLC in striking Burnt OD Green. 🇺🇸 Made in the USA. Get started now!
FORWARD CONTROLS DESIGN AR-15 BILLET CASTLE NUT BURNT OD GREEN
AR-15 BILLET CASTLE NUT
FORWARD CONTROLS DESIGN
In stock
£36.90 * £28.90 - £36.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with a lightweight V Seven Titanium Castle Nut! Mil-Spec compatible & made in the USA 🇺🇸. Weighs just 9.7g. Shop now for durability & style! ✨
V SEVEN WEAPON SYSTEMS AR-15 CASTLE NUT TI RAW
AR-15 CASTLE NUT TITANIUM
V SEVEN WEAPON SYSTEMS
In stock
£59.90 * £59.90 - £69.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the Echo Zulu Castle Nut by Tango Uniform! Precision machined for superior performance. 🛠️ Get started with a 6-pack and secure your buffer tube like a pro! 💪
TANGO UNIFORM ECHO ZULU CASTLE NUT, 6 PIECE BULK PACK
ECHO ZULU CASTLE NUT
TANGO UNIFORM
In stock
£134.90 * £29.90 - £134.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the robust A5 Castle Nut from Forward Controls Design LLC. Precision-crafted for the Vltor A5 system. Made in the USA. 🇺🇸 Learn more! 🌟
FORWARD CONTROLS DESIGN A5 CASTLE NUT, OLIVE DRAB GREEN
A5 CASTLE NUT
FORWARD CONTROLS DESIGN
In stock
£45.90 * £37.90 - £45.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the durable A5 Castle Nut from Forward Controls Design. Perfect fit for Vltor A5 systems. Made in USA. 🇺🇸 Shop now in burnt bronze! 🔧
FORWARD CONTROLS DESIGN A5 CASTLE NUT, BURNT BRONZE
A5 CASTLE NUT
FORWARD CONTROLS DESIGN
Reordered
£45.90 * £37.90 - £45.90*
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the FORWARD CONTROLS DESIGN LLC A5 Castle Nut in Flat Dark Earth! 🇺🇸 Made in the USA, this extended nut ensures a secure fit. Learn more now! 🛠️
FORWARD CONTROLS DESIGN A5 CASTLE NUT, FLAT DARK EARTH
A5 CASTLE NUT
FORWARD CONTROLS DESIGN
In stock
£45.90 * £37.90 - £45.90*
Buffer Tube Hardware
0
🔧 Secure your AR-15 with the Echo Zulu Castle Nut Kit by Tango Uniform! Precision machined for perfect fit & durability. Get started on staking your castle nuts! 🔩
TANGO UNIFORM ECHO ZULU CASTLE NUT KIT
ECHO ZULU CASTLE NUT KIT
TANGO UNIFORM
In stock
£35.90 *
Buffer Tube Hardware
0
🔩 Upgrade your AR-15 with the durable Billet Castle Nut from Forward Controls Design. Made in the USA, with improved staking notches in Flat Dark Earth. Shop now! 🛒
FORWARD CONTROLS DESIGN AR-15 BILLET CASTLE NUT BURNT FLAT DARK EARTH
AR-15 BILLET CASTLE NUT
FORWARD CONTROLS DESIGN
Reordered
£35.90 * £28.90 - £36.90*
Buffer Tube Hardware
0
Show 20 more results (Page 2)
Loading
1 - 20 of 263 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