FFB Case Mouth Expanding Rod – “D” .38/.357

$55.00

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Description

Our Swage Rod Backer/Case Mouth Expander is made from D-2 tool steel, then through hardened, not case hardened, to Rockwell 58-60C for maximum life.

Expands case mouth to ~0.361″

Bullets tested below sit squarely, and have a “suction pop” sound when pulled out by hand.

THIS IS NOT A SWAGE BACKING ROD.  This is ONLY intended for case mouth expansion.

Tested with 9mm (0.357″/0.358″) projectiles from:
Berry’s
Speer Lead Wad Cutters

Required but not included:
Dillon Swage Backup Die Body p/n 12184
Dillon 9/16×18 Lock nut p/n 13483