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

Gun Cleaning & Chemicals Cleaning Rods & Accessories Cleaning Rod Guides POSSUM HOLLOW MODEL #4, FITS .243, 6MM, .22-250. 257 RBT., .25-06 Support

The Possum Hollow O-Ring Bore Guide centers your cleaning rod, protects the bore and chamber, and keeps solvents out, ideal for scoped bolt action rifles.

POSSUM HOLLOW MODEL #4, FITS .243, 6MM, .22-250. 257 RBT., .25-06

528101004

Filters:

Variations
Filters:
Variations:

Variations:

The Possum Hollow O-Ring Bore Guide centers your cleaning rod, protects the bore and chamber, and keeps solvents out, ideal for scoped bolt action rifles.
O-RING BORE GUIDE - MODEL #4, FITS .243, 6MM, .22-250. 257 RBT., .25-06
Not available
Make: Universal Rifles Product no.: 528101004
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide protects your chamber and bore, centers the cleaning rod, and seals solvents out, ideal for scoped bolt action rifles.
O-RING BORE GUIDE - MODEL #2, FITS .222, .223, .222 MAG
Not available
Make: Browning, Enfield, Dakota Model: 76, A-Bolt, Pattern 1917 Product no.: 528101002
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide centers your cleaning rod to prevent rifling damage, keeps solvents out, and fits various bolt action rifles.
O-RING BORE GUIDE - MODEL #5, FITS 7MM-08, .308, .270, .280, 30-06
Not available
Make: Browning, Enfield, Dakota Model: 76, A-Bolt, Pattern 1917 Product no.: 528101005
Not available
28.9 GBP 0 £28.90 *
The Possum Hollow Model #6 O-Ring Bore Guide centers your cleaning rod, protects rifling, seals solvents out, and fits various bolt action rifles.
O-RING BORE GUIDE - MODEL #6, FITS 7MM & .300 STD. MAGNUMS
Not available
Make: Universal Rifles Product no.: 528101006
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide centers the cleaning rod, protects rifling, seals solvents out, and fits AR-15s for effective maintenance.
O-RING BORE GUIDE - MODEL #19, FITS AR-15
Not available
Make: AR-15 Product no.: 528101019
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide centers your cleaning rod, protects rifling, seals solvents out, and fits scoped rifles for easy maintenance.
O-RING BORE GUIDE - MODEL #7 FITS 338 WIN & 340 WEATHERBY MAG
Not available
Cartridge: 340 Weatherby Magnum, 338 Winchester Mag Product no.: 528000043
Not available
24.9 GBP 0 £24.90 *
0 0 6 GBP

Not available.

Product no.: 528101004

Mfr. No.: BG4

Notify on availability 24.9 GBP
0 0 6 GBP
Description Specification Customers reviews Accessories

POSSUM HOLLOW MODEL #4, FITS .243, 6MM, .22-250. 257 RBT., .25-06

Notify on availability

Description:

Keep your firearm in pristine condition with the O-Ring Bore Guide!

The O-RING BORE GUIDE, POSSUM HOLLOW MODEL #4 is designed specifically for .243, 6MM, .22-250, 257 RBT., and .25-06 calibers. This essential tool protects your chamber and bore while ensuring a thorough cleaning process.

Product Features:

  • Prevents Rifling Damage: Centers the cleaning rod in the bore to avoid any potential damage to the rifling.
  • Extra Long Design: Specifically designed for scoped rifles, allowing for easier access and cleaning.
  • O-Ring Seal: The O-ring seals the chamber, preventing solvents from entering the action and trigger, while keeping the bore guide securely in place.
  • Versatile Replacement: The large replacement O-ring fits all guides and solvent ports.

Specifications:

  • Material: Delrin
  • O-Ring: Silicone rubber
  • Length: 9½" (24cm)
  • Compatible with bolt action rifles from brands such as Remington, Winchester, Ruger, Mauser, Savage, Stolle, and Springfield.

Ensure your firearm remains in top condition with the POSSUM HOLLOW O-RING BORE GUIDE – a must-have for any serious shooter or gunsmith.



Top takeaways

  1. Centers the cleaning rod in the bore, protecting rifling from damage.
  2. O-ring design seals the chamber, preventing solvent entry into action and trigger.
  3. Compatible with various bolt action rifles from Remington, Winchester, and others.

Attributes

  • Cartridge: -
  • Model: -
  • Weapon type: 
    Universal Rifles
  • Delivery weight: 0.068kg

Item details

Made in USA

Customers reviews

Customer ratings (10)

3.2 / 5
Definitely recommended

Brownells USA Works well 15/08/2018

Works well in my Remington 700 chambered in .223 remington. This guide is not intended for other .224 chamberings such as a 22-250. Google Possum Hollow compatibility chart to ensure you are getting the correct model for your rifle.

Not recommended

Brownells USA Doesn't fit 31/12/2016

Doesn't fit my howa 22-250

Variations:

The Possum Hollow O-Ring Bore Guide centers your cleaning rod, protects the bore and chamber, and keeps solvents out, ideal for scoped bolt action rifles.
O-RING BORE GUIDE - MODEL #4, FITS .243, 6MM, .22-250. 257 RBT., .25-06
Not available
Make: Universal Rifles Product no.: 528101004
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide protects your chamber and bore, centers the cleaning rod, and seals solvents out, ideal for scoped bolt action rifles.
O-RING BORE GUIDE - MODEL #2, FITS .222, .223, .222 MAG
Not available
Make: Browning, Enfield, Dakota Model: 76, A-Bolt, Pattern 1917 Product no.: 528101002
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide centers your cleaning rod to prevent rifling damage, keeps solvents out, and fits various bolt action rifles.
O-RING BORE GUIDE - MODEL #5, FITS 7MM-08, .308, .270, .280, 30-06
Not available
Make: Browning, Enfield, Dakota Model: 76, A-Bolt, Pattern 1917 Product no.: 528101005
Not available
28.9 GBP 0 £28.90 *
The Possum Hollow Model #6 O-Ring Bore Guide centers your cleaning rod, protects rifling, seals solvents out, and fits various bolt action rifles.
O-RING BORE GUIDE - MODEL #6, FITS 7MM & .300 STD. MAGNUMS
Not available
Make: Universal Rifles Product no.: 528101006
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide centers the cleaning rod, protects rifling, seals solvents out, and fits AR-15s for effective maintenance.
O-RING BORE GUIDE - MODEL #19, FITS AR-15
Not available
Make: AR-15 Product no.: 528101019
Not available
24.9 GBP 0 £24.90 *
The Possum Hollow O-Ring Bore Guide centers your cleaning rod, protects rifling, seals solvents out, and fits scoped rifles for easy maintenance.
O-RING BORE GUIDE - MODEL #7 FITS 338 WIN & 340 WEATHERBY MAG
Not available
Cartridge: 340 Weatherby Magnum, 338 Winchester Mag Product no.: 528000043
Not available
24.9 GBP 0 £24.90 *

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.

© 2025 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical viewClassical view Mobile viewMobile view
Back to top