Surgery time!

[MDC]

Right then, today’s the day to de-tune “Faith”. She’s shooting 370 with.20g at the moment, so I’ve got to open her up and change the spring. I will update you with the results.

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[MDC]

One hour later after removing the Madbull spring and  fitting an XT100 spring, chrono’d it and it’s bang on the money at 348/349 with.20g. Very happy indeed.

 

[strykerles]

One hour later after removing the Madbull spring and  fitting an XT100 spring, chrono’d it and it’s bang on the money at 348/349 with.20g. Very happy indeed.

nice 1, might be worth putting a few mags through it to bed the spring in more as chronos can vary quite a bit.

I've had mine firing at 345 at home and 360 on a site chrono on a .20

 

[MDC]

nice 1, might be worth putting a few mags through it to bed the spring in more as chronos can vary quite a bit.

I've had mine firing at 345 at home and 360 on a site chrono on a .20

Will do, thanks for the tip off .??