Are the factory FX M3 dual transfer ports equivalent in airflow efficiency to Humas's Dual Transfer Ports or do the latter really have an advantage over the factory supplied ones?
FX M3 Dual Transfer Port
- Thread starter LFCM
- Start date
I changed my .22 out with a Huma when I installed a heavy slug liner and slug power kit. Here’s a photo of the size difference. Huma is on the left. I can’t say it made a difference since I made several changes at once . My main concern was with the pellet port on the other side of the stock and the Huma does not have that.
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