My Account (Sign in)
Your basket is empty.
0
Basket
contact us by phone Help and contact
Free standard delivery over £199
100-day return policy
My Account (Sign in)
Wish list
Your basket is empty. (0)
Basket
Newsletter Newsletter
Sale

Over 300,000 customers - we say thank you!

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

40,000+ products for hunting and shooting sports

Rifle Parts Muzzle Devices Thread Protectors YANKEE HILL MACHINE CO., INC. .920 BULL THREAD PROTECTOR 1/2-28 STAINLESS STEEL Support

.920 Bull Thread Protector keeps your rifle's muzzle threads pristine, features a knurled grip for easy installation, and is made from durable stainless steel.
-10 %

YANKEE HILL MACHINE CO., INC. .920 BULL THREAD PROTECTOR 1/2-28 STAINLESS STEEL

100009091

Filters:

Variations
Filters:
Variations:

Variations:

-10 %
.920 Bull Thread Protector keeps your rifle's muzzle threads pristine, features a knurled grip for easy installation, and is made from durable stainless steel.
.920 BULL THREAD PROTECTOR 1/2-28 STAINLESS STEEL
27.9 GBP 16 £27.90 * £30.90 You save £3.00
In stock
Finish: Stainless Steel Make: Universal Rifles Threads: 1/2-28 Product no.: 100009091
In stock
27.9 GBP 16 £27.90 * £30.90
-10 %
.920 Bull Thread Protector 1/2-28 from Yankee Hill Machine Co. keeps your rifle’s muzzle threads safe with a knurled grip for easy installation and removal.
.920 BULL THREAD PROTECTOR 1/2-28 PLATED BLACK
27.9 GBP 6 £27.90 * £30.90 You save £3.00
In stock
Finish: Black Threads: 1/2-28 Product no.: 100050336
In stock
27.9 GBP 6 £27.90 * £30.90
27.9 27.9 2 GBP
-10 %
MSRP £30.90
27.9 GBP £27.90 You save £3.00

Prices inclusive of duty & VAT.

Product no.: 100009091

Mfr. No.: YHM-3410

Prevent unwanted and expensive damage to your rifle’s muzzle threads and crown with easy-to-install thread protectors. Knurled exterior gives you a firm grasp to install or remove the protector in seconds. Available in popular thread sizes and diameters to match most commonly available rifle barrels.
In stock More than 10 pieces in USA warehouse
5/5 - 1 Customers
1
2
3
4
5
6
7
8
9
10+
-10 %
MSRP £30.90
You save £3.00
£27.90

Prices inclusive of duty & VAT.

You save £3.00
1
2
3
4
5
6
7
8
9
10+

Delivery time approx. 7-14 days.

100-Day Return Policy

Delivery time approx. 7-14 days.

100-Day Return Policy
No charges until we ship
No charge:
Your credit card will not be charged when you place your order.

No commitments:
You are under no obligation until the goods are shipped. You can cancel your order at any time before shipping - free of charge.

Not until shipping:
Your credit card will only be charged once we ship your order. Not before.
  • Protects muzzle threads
  • Easy installation
  • Durable stainless steel
Wish List Ask question
27.9 27.9 2 GBP
Description Specification Customers reviews Accessories

YANKEE HILL MACHINE CO., INC. .920 BULL THREAD PROTECTOR 1/2-28 STAINLESS STEEL

-10 %
MSRP £30.90
27.9 GBP £27.90 You save £3.00

Prices inclusive of duty & VAT.

1
2
3
4
5
6
7
8
9
10+
-10 %
MSRP £30.90
You save £3.00
£27.90

Prices inclusive of duty & VAT.

You save £3.00
1
2
3
4
5
6
7
8
9
10+

Delivery time approx. 7-14 days.

100-Day Return Policy

Description:

Protect Your Rifle's Muzzle Threads with Confidence

Introducing the .920 BULL THREAD PROTECTOR 1/2-28 from YANKEE HILL MACHINE CO., INC., the essential accessory to keep your threads pristine when a flash hider or muzzle brake isn’t installed.

Product Features

  • Material: Stainless steel with a silver finish (black finish for FAL model)
  • Weight: ½ oz. (14g)
  • Thread Sizes: Available in popular thread sizes and diameters
  • FAL Model: 9/16-24 LEFT HAND threads

Why Choose the .920 BULL THREAD PROTECTOR?

Prevent unwanted and expensive damage to your rifle’s muzzle threads and crown with these easy-to-install thread protectors. The knurled exterior provides a firm grasp, allowing you to install or remove the protector in seconds.

Whether you're a seasoned shooter or a newcomer to the world of firearms, the .920 BULL THREAD PROTECTOR is a must-have to ensure the longevity and performance of your rifle. Available now at Brownells UK.



Attributes

  • Finish: 
    Stainless Steel
  • Threads: 
    1/2-28
  • Weapon type: 
    Universal Rifles
  • Delivery weight: 0.036kg
  • Shipping height: 1mm
  • Shipping width: 57mm
  • Shipping length: 89mm

Item details

Made in USA

Customers reviews

Customer ratings (1)

5 / 5
Definitely recommended

Brownells USA Great product 02/06/2015

Variations:

-10 %
.920 Bull Thread Protector keeps your rifle's muzzle threads pristine, features a knurled grip for easy installation, and is made from durable stainless steel.
.920 BULL THREAD PROTECTOR 1/2-28 STAINLESS STEEL
27.9 GBP 16 £27.90 * £30.90 You save £3.00
In stock
Finish: Stainless Steel Make: Universal Rifles Threads: 1/2-28 Product no.: 100009091
In stock
27.9 GBP 16 £27.90 * £30.90
-10 %
.920 Bull Thread Protector 1/2-28 from Yankee Hill Machine Co. keeps your rifle’s muzzle threads safe with a knurled grip for easy installation and removal.
.920 BULL THREAD PROTECTOR 1/2-28 PLATED BLACK
27.9 GBP 6 £27.90 * £30.90 You save £3.00
In stock
Finish: Black Threads: 1/2-28 Product no.: 100050336
In stock
27.9 GBP 6 £27.90 * £30.90

Customers also bought

Oops! Something went wrong.

We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.

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.

© 2026 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical viewClassical view Mobile viewMobile view
Back to top