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1377 flat top setup questions

January 16 2011 at 7:47 PM
Ifrit  (Login ifrit617)
Crosman Forum Member
from IP address 173.84.85.168



Hi all,

I was wondering if I installed a flat top setup and stronger hammer spring and guide into a crosman 1377, without changing anything else, how many pumps would it take to get 650- 700 fps? I want to use the pistol for more reliable pest control and want at least these velocities in .177 cal.

Ifrit

 
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