Jump to content


This topic is now archived and is closed to further replies.


advice for my next spring

This thread is over three months old. Please be sure that your post is appropriate as it will revive this otherwise old (and probably forgotten) thread.

Recommended Posts

Hey thanks for taking time to read this, I brought a second hand ak cyma .42-s stock it was firing at 430 fps my local site is 345fps limit so after reading online I opted for madbull m100 spring. I also added a tk twisted inner barrel, lonex hopup and madbull shark finn bucking.also replaced O-rings on piston head as I could compress it while putting finger on nozzle. Tested again and now I'm down to 295 fps I was hoping to be around 330-340 fps. Should I just go for madbull m110 spring or a brand that's slightly harder spring also is my bucking effecting my fps a lot ? I notice it has 3 finns around bucking which would give resistance and effect fps ? This is my 1st gun so am learning as I go, any input would be most grateful


Thanks Craig

Share this post

Link to post
Share on other sites

  • Create New...