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Old November 7, 2012, 12:10 AM   #10
Senior Member
Join Date: October 3, 2012
Posts: 1,078
Both springs contribute to the felt trigger pull. I also have an SP101-22 and installed the 8# return spring ONLY. The trigger was much improved. I left the Rimfire hammer spring installed because Rimfire needs a stronger hammer hit to reliably ignite the cartridge. With the 12# mainsring, the SP101-22 was 80% reliable.
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