New set of metal bushings, imspect the tm components and replace worn items with promotheus parts. Insatll a promotheus m100 spring and a tanio koba twist bore barrel and your good to go. Leave the rest orignal.
Systema parts have indeed lowred in quality.
Every single modify parts i have ever used have been sub standart, low quality, required fitting and broke in a short time period. Better throw money in the trash bin
Guarder parts are hit or miss, specialy their gears.
Lonex do seem nice but in the two gearbox i worked on their shimming was completly off.
I'll put my vintage 13 year old tm gun againts any PTW anyday.
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Vondnik, team Bad Karma, PQAC
Murphy's second rule: Nothing is impossible for the man who does not have to do it himself.
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