FX Anyone Frequently Change Calibers on their Impact M3?

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Jerkeejoe

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May 8, 2024
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I have an M3 in .22 that I bought new a little while back. I'm now getting around to picking up caliber change kits and I'm looking forward to playing with .25 and .30.

My question is, how many people are regularly changing their caliber on their M3? I know it will obviously require tuning adjustments with each change, but my understanding is that I can easily go back to a known tune when changing back from a new caliber. I expect it will take some fine adjustments to get back to optimal, but I'm hopeful I will be able to get it pretty close just going back to the known settings.

I'd love to hear from some of you who have experience with this. Thanks in advance for the help!
 
I did barrel changes and caliber changes - in the first couple months. And I got tired of it. That was years ago...
Any of these changes needs many hundreds of shots - to get to a right tune... and then you brake the setup and start from scratch again...You more a mechanic then a shooter. A good thing is - at least it is very educational ;)
 
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Once I get my M3’s on the money, I don’t touch them. The only gun I caliber change is my RTI P2. Because it’s a harmonically and much more simple animal, caliber changes are a breeze. Being back on a spot on tune only involves one reg setting and knowing your previous happy velocity. Done. Takes five to ten pellets or slugs.
 
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