Jg Bar 10

[Popepope]

Hi guys bought a second hand jg bar 10 and had a few which are getting worse slam fires ,now should i just get a trigger set ie piston sear or should i bite the bullet and by this  https://airsoftsniperparts.webs.com/apps/webstore/products/show/6388413 or do you now how i can alter the piston sear to work better thanks a lot if you can help me 

[Samurai]

You need to use a 90 degree trigger system as the linked one. The original 45 degree one is designed for 300 fps.