I don't know exactly how much you can or need to tune a Regal. There are 6 or so in our group of shooters and ALL shoot incredibly well, without any tuning. I put a derlin washer behind MY hammer spring so I could get a little more fps. to shoot the 18.13. Mine in non regulated. It's about even in our group who has a regulated vs. non regulated. But generally it seems the non regulated will shoot paper slightly better than the regulated, when you find its curve and stay within it. A couple of the guys who bought the regulated version, now wish they would have gotten the non regulated.hi douger; do you have or had a REGAL. If so can you recall some of your settings. i was under the impression that the Regal has the sling shot hammer does not have much to go by when it comes to tuning it for the exception of the hammer spring. i'd appreciate the help thanks
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