The Bore Tech Proof Positive Bore Mop – .35-.40 Cal is a densely packed, 100% cotton mop that can be used to apply cleaners and oils to the bore. This bore mop can also be used for polishing and drying the bore. The mop features a non-brass core and threads to prevent any false indication of copper fouling during use with copper removing chemicals.
Features
- 100% Cotton
- Non-brass core
- Non-brass threads
- Densely packed
Specifications
| Material | 100% Cotton |
| Calibre | .35-.40 Cal |
| Thread | 8/32 |
| Length | 2.6" |








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