These Nylon Bore Brushes clean while protecting the bore from abrasion.
All brushes have 8 x 32 male threads except the 17 caliber which have 5 x 40 male threads.
- Fits: All .375 Calibers
- Nylon Bristles (.410 Diameter) Unaffected by Ammonia based solvents.
- Galvanized Plated Wire Core with Looped End and Crimped Coupler.
- Thread: Standard 8-32"
- Will Not Fit Outers Cleaning Rods