I dont bother with pellets.I have some very sad news for you. Two of my three M3‘s wear real barrels. It changes things. But the guns can still be finicky. I’m talking strictly slugs here. For pellets, if you waste your time and money on a real barrel, it’s foolish. If your pellet shooting Impact gets whacky, it would have still got whacky if it had a solid barrel on it. I’m currently testing a barrel I just built. I put I on my pellet shooter so I wouldn’t have to poke my other two Impacts that seem to be happy right now with a stick. Things started out like I was making a slug shooting highlight reel. Now I’m having weird velocity swings and am starting to go in circles. The thing about an Impact and why I’ve owned 6 of them is because they will let you extract the most out of a barrel and projectile. But the fly in the ointment is it might only be for a day, a week or month If your standards are high. My sole purpose is to figure out, if possible, how to make the gun long term. I have one that’s about as good as it gets but it’s almost a powder burner. That’s why I’m working on a barrel and components right now to get back to a safer friendlier slug shooter. My little .22 slug shooter is my favorite. When it’s happy, it’s insanely accurate. But sometimes it gets an attitude for no reason. So I slap it around until it behaves again. Full time job with these things. Pellets no. Stellar with them.
I am a "Powder Burner" user from way back and my passion is ELR ( out to 3000yds) and Precision shooting.
I got the M3,s as something to relax and enjoy at closer ranges ... and set it up for slugs . 100yds is the closest distance i will shoot ...out to several hundred yards.
As i have said, the M3 can be amazingly accurate!!! Its just the complete lack of consistency that is a pain in the ass..
My next mod is in fact a "Real Barrel" ..... so, like yourself i will see if its possible to turn the M3 into something slightly approaching "Consistent" !!
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