I have an FX Dreamline Tac and am wondering what's the performance advantage to adding a Huma Air Dual Transfer port? I'm looking for information from folks that have actually installed them in their Dreamlines. How much has the TP increased muzzle velocity and are you using the stock pellet probe?
Tuning Huma Air dual transfer port on FX Dreamline
- Thread starter DaveT1
- Start date
If you do a search, that topic has been discussed quite a bit. My .22 actually got slower with it and after opening up the probe to the maximum and opening the dual port even more, the best I could do was match the stock TP. My stock TP is oval so I would imagine the Huma would do a little better than the round port on older Dreamlines. In some of the topics about the Huma, they found using a pin probe helped. Mine isn’t even in my gun.
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I put a huma TP in a friends .22 dreamline for him. Gained 20 fps. But he wanted it mostly because short slugs were tipping into the stock TP and jamming.
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