5F Freedom Arms Derringer Patriot Model Hammer (Bare) .22 Long Rifle Model 631 This mainspring fits all Smith

This mainspring fits all Smith & Wesson J Frame revolvers

375" barrels Condition: Factory new OEM part Function: Ejects spent cartridges from cylinder Essential component for reliable ejection

Model 3914

Part Number: 040710000

357 inches

5F Freedom Arms Derringer Patriot Model Hammer (Bare) .22 Long Rifle Model 631 This mainspring fits all SmithPart # 5F Freedom Arms Derringer Patriot Model Hammer (Bare) . 22 Long Rifle Email us or call us for your Smith and Wesson gun part needs! This listing is in full compliance with all rules and regulations related to all firearms and parts. NO FRAME OR RECEIVER, No kits to build a firearm, No Parts or Accessories for Assault weapons. We do not sell any magazine that holds more than 10 rounds. We only ship to addresses is the United States!!