Old Bam 50

Try here. The book of BAM.



https://airgunwarriors.com/resources/library/Adjusting_the_Bam_B50_B51.pdf

I just reworked one and it turned out good. I am pretty sure I still have a new poppet valve. I am in Louisiana. You can find my information on Vortek’s website. It is Deep South Airguns.