Colorado 4-H Shooting Sports Program Article

"Care must be taken when cleaning more than one rifle so that parts do not get mixed up."

Muzzleloading Rifle Nipple Quandary

Regarding questions concerning the different nipples on Muzzle loading Rifles.

It is possible to thread a 6mm by .75 thread nipple into a gun that uses a ¼ by 28 thread nipple. Care must be taken when cleaning more than one rifle so that parts do not get mixed up.

These listed below are the most common nipples.

  1. The American standard nipple is a ¼ by 28 threads per inch. This fits Most Thompson/Center Rifles along with Pedersoli, Austin Halleck and many Dixie Gun Works Rifles.
  2. The Rifles made in Italy for Lyman, Cabelas, Navy Arms use a 6mm by .75 pitch fine thread nipple.
  3. The CVA (Connecticut Valley Arms), Traditions use a 6mm by 1.0 pitch course thread nipple.

Keep your powder dry and safe shooting.