"Tipton Rifle Nylon Bore Brush 17 Caliber 3-pk. 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 .17 - Nylon Bristles (.187 Diameter) Unaffected by Ammonia based solvents. - Brass Wire Core with Looped End and Crimped Coupler. - Thread: Standard 5-40"" - Notes: Will Not Fit Outers Cleaning Rods" }