The Bore Tech Proof-Positive Rifle Jag is a patch jag intended for rifle bore cleaning and accurate indication when using copper-removing cleaners. It is described by the manufacturer as brass-free and precision machined to provide concentric pressure on the barrel surface. The jag is offered with an 8/32 thread pitch for common cleaning rod systems.
Key Specifications
- Caliber information is reported as 6.5mm / 264 in some sources and as .25 Cal / 6.5mm in the product description; see notes for details.
- Thread pitch is 8/32.
- Material is described as a brass-free proprietary alloy that is barrel safe and resists bending.
- Contact geometry features a dual set of four contact rings to improve patch contact and retention.
- The first ring in each set is rounded to aid centering, with subsequent rings having squared faces to hold the patch.
- The relief between the dual ring sets functions as a solvent reservoir to retain and dispense solvent during cleaning.
- A reverse taper at the rear provides a smooth, edge-free transition between jag and rod to protect the crown.
- Provided dimensional values for A are 0.206 inches and 2.465 inches as listed by the source.
- The design aims to reduce false copper indications that occur when using brass jags with copper-removing cleaners.
This Proof-Positive Rifle Jag’s brass-free alloy, concentric contact ring geometry, and reverse-taper rear make it a practical tool for routine rifle bore maintenance. Its features focus on accurate patch presentation and solvent handling to streamline cleaning and verification of copper removal.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
