What cleaning rod thread size does the Hoppe's HP1312 20-gauge brush require?

The Hoppe's HP1312 features a standard shotgun thread measuring 5/16" x 27. It will easily attach to standard shotgun cleaning rods that support this threading, but it will not fit the 8-32 threads typically used for rifles and pistols.

Can I use this nylon brush immediately after a high-volume shooting session at the range or out in the bush?

No, you must allow the firearm to cool down first. Running the synthetic nylon bristles through a blistering hot barrel right after high-volume firing can cause the bristles to melt or weaken from extreme barrel heat.

Is this nylon brush suitable for 12-gauge shotguns or smaller .410 bores?

No, this brush is precisely engineered for a nominal 20-gauge bore diameter of 15.62 mm (0.615 inches). Using it in a larger 12-gauge bore fails to provide the necessary outward radial wall pressure, while clearance limits prevent it from working in smaller .410 bores.

Does this cleaning accessory require any Australian electrical certifications or plugs?

No, as a purely mechanical, non-electrical hand tool weighing under 15 grams, the Hoppe's HP1312 does not require 240V compatibility, an Australian plug, or SAA/RCM regulatory safety certifications, making it ready for immediate use.

20 Gauge Bore Brush - Hoppe's HP1312

The Hoppe's Bore Brush Nylon Shotgun 20 Ga (Model HP1312) is a specialized, non-abrasive cleaning tool engineered specifically for maintaining 20-gauge firearm barrels. It is designed to sweep away carbon, powder fouling, and loose debris from the inside of the bore without scratching or altering the delicate internal barrel finish. Featuring premium nylon bristles wrapped around a sturdy brass wire core, this manual cleaning accessory weighs under 15 grams and operates entirely without electrical power, making it fully compatible with standard Australian maintenance gear.

Key Features

Engineered Bristle Memory: The premium synthetic nylon bristles are designed to flex during the cleaning stroke and return to their original shape afterward, extending the service life of the brush.
Safe Scrubbing Action: Provides deep multi-directional scrubbing inside the barrel while protecting delicate rifling and bore finishes from abrasions.
Chemical Resistance: The durable nylon construction is highly resilient against aggressive gun cleaning solvents, such as Hoppe’s No. 9 Gun Bore Cleaner, preventing the chemical breakdown common to metallic wire brushes.
Standard Shotgun Threading: Built with a heavy-duty 5/16" x 27 thread interface, ensuring direct compatibility with standard shotgun cleaning rods.

Product Specifications

Brand: Hoppe's
Model/SKU: HP1312
Compatible Gauge: 20-Gauge
Nominal Bore Diameter: 15.62 mm (0.615 inches)
Thread Pitch: 5/16" x 27
Weight: Under 15 grams
Bristle Material: Nylon
Core Material: Brass wire

Who is the Hoppes Bore Brush Nylon Shotgun 20 Ga for?

20-gauge shotgun owners performing regular preventative maintenance — benefits from this specialized 20-gauge shotgun bore brush, which perfectly matches a nominal bore diameter of 15.62 mm (0.615 inches) to apply the precise outward radial wall pressure needed to clear powder fouling and carbon.
Shooters utilizing aggressive solvent actions — requires a chemically inert nylon shotgun bore brush that threads securely into standard 5/16" x 27 cleaning rods, allowing the use of heavy-duty solvents without causing the bristle corrosion or degradation experienced with bronze brushes.

Less suitable for: firearms with bores smaller than 15.62 mm (0.615 inches), such as .410 bore shotguns or rifles, due to physical clearance limits, or larger bores like 12-gauge shotguns where the brush cannot provide adequate radial wall contact. It is also unsuitable for cleaning blistering hot barrels immediately after high-volume shooting due to the risk of melting the synthetic bristles. For addressing severe lead deposits or plastic wad build-up, a more abrasive phosphor bronze brush or stainless-steel Tornado brush is better suited.

SKU	HP39356LP
Model #	HP1312
Brand	Hoppe's
Shipping Weight	1.0000kg

What our Customers are Saying

We Also Recommend

Champion Hunting Shooting Traps And Targets Perfec

$55.95

Weaver Rifle Scope Mount Rings Sure Grip Windage A

Don't pay $101.95 $85.95 15.69% OFF

Cci Clean-22 .22lr Subsonic Target Ammunition 40gr

Don't pay $26.95 $22.95 14.84% OFF

Cci Maxi Mag 22 Wmr 40gr Jhp Rimfire Ammunition 18

Don't pay $41.95 $34.95 16.69% OFF

Recommended Products

Hoppe's Hp1310 Nylon Rifle Bore Brush .243 Caliber

$8.95

Hoppes Hp1305 Bore Brush Nylon Rifle .30 Cal 8-32

$8.95

Hoppes Hp1307 Bore Brush Nylon Pistol 38 Caliber 8

$8.95

Hoppes Hp1308 Pistol Bore Brush Nylon 44 45 Calibr

$6.95

Welcome to Xhunter Australia. By accessing and using our website (www.xhunter.com.au) and purchasing from our online store, you agree to be bound by the following Terms and Conditions. Please read them carefully before proceeding.

1. Eligibility

By agreeing to these Terms and Conditions, you confirm that:

• You are at least 18 years of age.
• You are legally capable of entering into a binding contract under Australian law.
• You will not purchase any restricted or controlled items unless legally permitted to do so.

2. Product Information

• All products listed are subject to availability.
• Product descriptions, specifications, and pricing are subject to change without notice.
• We make every effort to display products accurately, although we do not guarantee that all images or content are error-free.

3. Orders and Payments

• All orders are subject to acceptance and confirmation.
• Prices are in AUD and include GST unless otherwise stated.
• We reserve the right to cancel or refuse any order at our sole discretion.
• Full payment is required before dispatch.

4. Authority to Leave (ATL) and Delivery

• By default, all orders are shipped with Authority to Leave (ATL).
• If you require Signature on Delivery, please contact us prior to purchasing. Additional charges apply.
• If an order is returned to us due to failed delivery or non-receipt when ATL is not permitted, a $25 return processing fee must be paid before reshipment or refund.

5. Returns and Refunds

• Please refer to our full Returns Policy on the website.
• Returned items must be in original, resalable condition unless faulty.
• A restocking fee may apply if an item is not in reselling condition.
• Change-of-mind returns may not be accepted for clearance or custom-ordered items.

6. Firearms and Restricted Items

• You must comply with all relevant State and Federal laws for regulated products.
• You are responsible for ensuring proper licences and permits are held.
• We reserve the right to request proof of eligibility before dispatch.

7. Limitation of Liability

• Xhunter Australia is not liable for direct or indirect losses arising from the use or misuse of products.
• We are not responsible for any unauthorised modifications or incorrect application of products.

8. Manufacturer Warranty Support

Some products sold by Xhunter Australia include a manufacturer’s warranty (for example, limited lifetime warranties). These warranties are provided solely by the manufacturer and are separate from the consumer guarantees under Australian Consumer Law.

Where a manufacturer provides a warranty:

A. The warranty is offered and honoured by the manufacturer, not by Xhunter Australia, unless expressly stated otherwise.
B. Customers may be required to contact the manufacturer directly and comply with their warranty process, which may include overseas product assessment.
C. Proof of purchase is required to lodge a manufacturer warranty claim.
D. Assistance provided by Xhunter Australia in lodging warranty claims is a goodwill service only and does not imply liability for warranty outcomes or decisions.

Nothing in this clause limits your rights under Australian Consumer Law.
Xhunter Australia remains responsible for providing legally required remedies for products that fail to meet the consumer guarantees of acceptable quality, fitness for purpose, and reasonable durability.

9. Privacy

Your personal information is collected, used, and stored in accordance with our Privacy Policy.

10. Intellectual Property

All text, graphics, logos, and images on this website remain the property of Xhunter Australia and are protected by copyright laws.

11. Amendments

We may update or modify these Terms and Conditions at any time without prior notice. Continued use of our site constitutes acceptance of any updated Terms.

12. Governing Law

These Terms and Conditions are governed by the laws of Victoria, Australia. Any disputes will be handled exclusively by the courts of Victoria.

13. 18+ Age Requirement

By placing an order, you confirm that you are at least 18 years of age and legally entitled to purchase the products ordered. We may cancel any order that breaches this requirement.

Hoppe's Hp1312 Nylon Shotgun Bore Brush 20 Gauge 5/16"-27

Secure Payment Methods