I set my .22cal revere regulator to 130 bar and replaced the factory transfer port to a larger aftermarket one. 50 shots at 24/26ftlbs. 
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Daystate Huntsman Regal 25
- Thread starter Dr. Kralenstein
- Start date
- where did you source the larger transfer port brass fitting from?Huntsman takes the same transfer port as the marauder. Hill makes some you can get based on the size hole you want.
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When I was tuning my Prod I bought about 5 transfer ports from Crosman (they are inexpensive) and just drilled them out to the size I wanted to try. From the pictures it looks like you could do that with the Huntsman ports too. It was handy to have a full set of drill bits and a drill press however (to me a full set is all the fractional bits from 1/16 to 1/2 + all the letter size bits + the number bits which were the handiest because they are in the size range you need in small increments).
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Bagnall & Kirkwood in the UK sell them in various sizes, bought my metal trigger guard and o-ring kit there too. The match style trigger is from Rowan Engineering in the UK, oh and the cocking lever is from an ebay dealer also from you guessed it…… 
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