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FBP Fixed Firing Pin Bolt and Recoil Assembly


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Owners substitute the FBP parts to save wear or possible damage to the the matching numbered parts of their guns. Better reliability? Not possible to determine given all the variables in any given gun. The FBP parts interchange, are well made and function well, so what more needs to be said?

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I use one in my MP38 instead of the factory bolt. It works fine but you may need to change out the spring or modify it. Mine was too stiff and the gun ran away or would jam. I put a factory spring in the assembly and it runs 100% for many 1000's of rounds.

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Hi All,

 

Mine desired hot ammo with the FBP factory recoil assembly. I just clipped the spring that came in the FBP assembly a bit at a time till it ran with normal 9x19. Runs fine now. I'd better find the factory mp-40 parts, bag them, and keep them next to the gun. Hate to have them get lost if I was out of the picture.

 

Grasshopper

Edited by Grasshopper
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  • 1 year later...

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