Thread: K38 120 power factor
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Old 09-28-2017, 07:49 PM
Goodbrew Goodbrew is offline
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Default K38 120 power factor
Hi Guys
I have a K38 6" barrel and I'm considering using it for a Service pistol match that specifies minimum 120 power factor.

I intend using a 135gr BNWC with around 4.0 gr WST to achieve 900 fps which will give a power factor of 121.

My question is if this load will be too hot for the K38 I'm certainly not keen on long term damage.

Thoughts please
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