Brass jags are specially designed for use with Dewey Coated Rifle Rods ONLY. J, Brass jags are the unique Dewey design that take a patch over-the-end, or wrapped around.
1911, Issue:04, Page:057
AR-15, Issue:04, Page:070
Big Book Catalog, Issue:70, Page:332
Sinclair, Issue:5B, Page:132
SPECS: Machined brass. NOTE: 22J, 22JM, 24J and 6.5J Jags will fit 22C Coated Rods only. 27J thru 45J Jags will fit 30C-17 through 38C-12 Coated Rods ONLY.