Bruni Olympic 6 Spare Hammer Spring (Part 6)

• Genuine OEM hammer spring (mainspring, part 6) for the Bruni Olympic 6 blank-firing revolver
• Drives the hammer forward to strike the 8mm blank cartridge primer
• Weak or broken spring causes light strikes, misfires or complete failure to fire
• Restores consistent trigger pull weight and reliable ignition
• Manufactured to original Bruni specification — fits the Olympic 6 action without adjustment
• The most critical spring in the revolver mechanism — worth keeping as a spare

This is the genuine OEM replacement hammer spring (part number 6) for the Bruni Olympic 6 blank-firing revolver. The hammer spring — also known as the mainspring — is the primary power spring in the revolver's action, providing the force that drives the hammer forward to strike the blank cartridge primer and initiate firing. It is arguably the most critical spring in the mechanism: a weak or broken hammer spring will produce light strikes, misfires, or prevent the revolver from firing at all. Springs can lose tension gradually through repeated cycling or can fail suddenly under stress. Fitting a fresh hammer spring with the correct tension restores reliable ignition and a consistent trigger pull weight. This part is manufactured to the original Bruni factory specification and fits the Olympic 6 action without adjustment. It is the correct replacement for owners experiencing misfires or a noticeably lighter trigger feel on a well-used Olympic 6. Suitable for 8mm blank cartridge use.

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