PolarStar HK417 Trigger Board | Switch Board F1, JACK, F2 Reviews

4.5 Rating 2 Reviews

This Switch Board and Trigger Lead kit from PolarStar is for use with the Umarex 417 rifles. This trigger board kit comes with the trigger board and trigger leads needed for installation of the JACK, F1, F2 HPA Units into your Umarex 417 rifle.
Comes complete with:Umarex 417 Trigger Switch Board for the Jack, F1, and F2.

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“Does exactly what it needs to do. However if you have a retro arms gearbox (like I had) the mounting kit didn’t seem to work so just tape it in place. It works perfectly fine no issues.”

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Posted 6 years ago

Thank you so much for the picture and the review! Do you mind if we repost this to our Instagram? Thanks! Kurtis

Posted 6 years ago

“Solid product, instructions are a little confusing.”

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Posted 8 years ago