The Hoppe's HP1412 Jag Knob End .30 Cal is a dedicated, passive cleaning accessory engineered to maintain the performance and longevity of your firearms. Constructed from heavy-duty polymer, this knob-style cleaning jag is designed to hold solvent-soaked or dry cleaning patches securely. It functions by pushing these patches down the barrel bore of .30 caliber firearms to effectively remove lead, powder, and copper fouling. Because it is completely unpowered and contains no electrical components, it requires no external power source or electrical certifications, making it a simple and compliant maintenance tool for shooters across Australia.

Key Features

• Bore-Safe Polymer Construction: The heavy-duty plastic material is softer than barrel steel, ensuring the jag will not scratch or damage the delicate rifling inside your firearm's bore during cleaning cycles.
• Secure Patch Retention: The knurled and ridged knob-end profile keeps cleaning patches firmly wrapped around the head during both pushing and pulling motions, ensuring maximum surface contact with the bore walls.
• Standard Thread Compatibility: Equipped with a standard 8-32 male thread, this jag integrates natively with standard cleaning rods without the need for additional adapters.

Product Specifications

• Model: HP1412 (Manufacturer Part Number: 1412)
• Caliber Compatibility: .30 Caliber
• Material: Heavy-duty polymer
• Interface Thread: 8-32 male thread

Who is the Hoppes Jag Knob End .30 Cal for?

• .308 Winchester rifle owners — requires a dedicated cleaning jag sized precisely for .30 caliber bores to ensure cleaning patches maintain firm, continuous contact with the rifling to clear out copper and powder fouling.
• .30-06 Springfield and .300 Winchester Magnum shooters — utilizes a standard 8-32 male thread to connect directly to standard 8-32 female-threaded cleaning rods, providing a reliable thread interface for routine barrel maintenance.

Less suitable for: firearms with smaller bore diameters such as .223/5.56mm or 6.5mm where the physical outer diameter of this .30 caliber jag prevents entry, or for cleaning rods with non-standard threads like 5-40 or 5/16-27 where a separate thread adapter would be required. It is also less suitable for clearing heavy bore obstructions or pulling oversized patches under extreme tension, where a heavy-duty brass jag is recommended to prevent thread shearing, and it must never be used in a barrel that is still hot from rapid firing.