Breakthrough Clean Technologies Aluminum Universal Bore Guide, Fit Bore Sizes From .17 up to .416 BT-BG-U
The Universal Aluminum Bore Guide properly aligns your cleaning rod and protects the chamber" breech and bore from potential abrasive damage caused by the bowing or bending of your cleaning rod.
Specs
| Model No. | BCTBT-BG-U |
| Manufacturer | Breakthrough Clean Technologies |
| Unit Size | .17 up to .416 |
