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What does FPB stand for?

FPB stands for Firing Pin Block (firearms)

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Business, finance, etc.

See other definitions of FPB

Other Resources:
We have 68 other meanings of FPB in our Acronym Attic

Samples in periodicals archive:

40 S&W, the double-/single-action pistol has ambidextrous controls, three-dot sights, skeletonized hammer, lightweight frame, integral accessory rail, full-length claw extractor, firing pin block safety and a tactile loaded chamber indicator.
The double-action-only 24/7 sports three safety features: a manual safety lever, trigger block mechanism and a firing pin block.
There was very little creep or blacklash in spite of the fact that the end of the trigger stroke has to lift the lever that disengages the firing pin block as well as drop the hammer.