FFB Swage Backup/Case Mouth Expanding Rod – “F” 9mm/38 Super


In stock


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.

Will also dead lock the press when it comes across one of those pesky 9mm cases with the interior step.

Expands case mouth to ~0.3575″

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

Also functions as swage backing rod for 9mm Luger.

Tested with 9mm (0.355″/0.356″) projectiles from:
Rocky Mountain Reloading (RMR)
Bayou Bullets (Donnie Miculek, brother of Jerry)

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