One Piece, .17 Caliber nylon coated rod with 5/40 female threads. The .17 Caliber rod comes with 17JM jag. With 17A adapter these rods are perfect for .22 rimfires with bolt area restrictions.
Specifications and Features:
1-piece spring cleaning rod
Will not peel or pick up abrasives
Handle has 2 ball bearing aluminum races in front and rear of handle assembly
Preserves shooting qualities