Other Good .22 for slugs?

No mods. It particularly likes the .216 and .2155 ammo. Nielsen makes .2155 17.5gr slugs those shot the best for me, and when I say shot the best for me I mean shot as good as pellets at 35yds, and consistently shot better than pellets all the way to 100yds. Dime sized groups at 80yds were not a problem, shooting them at 890fps. The 18.1gr fx where shooting the same speed, and the 15.89gr were shooting about 30-35fps faster.
Appreciate the info. Currently my lightest slug is an NSA 20.2gn. Not sure of the diameter. I'll keep the 17.5gn NSA's in mind!! It def shoots the 18 & 15gn JSB's very well. I haven't put the C2T on the chrony yet so I'll have to do that once they turn the heat back on up here in New York.
I recently picked up a used Daystate Red Wolf (Non HP) in .22. Curious if it will like slugs too!!
 
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I have a 3-4 year old FX Impact M2 with the original slug liner. After testing quite a variety of different slug brands, weights and .217/.218 diameters I decided on Griffin 24g 0.218 slugs at 930fps. Lots of time harmonic tuning but these things shoot lights-out. Multiple 158 yard first shot hits on Belding Ground Squirrels. Many other slugs shot acceptably well but these were the best in my gun. Lots of shots too.

It still shoots JSB 18.2g very well too.
 
Appreciate the info. Currently my lightest slug is an NSA 20.2gn. Not sure of the diameter. I'll keep the 17.5gn NSA's in mind!! It def shoots the 18 & 15gn JSB's very well. I haven't put the C2T on the chrony yet so I'll have to do that once they turn the heat back on up here in New York.
I recently picked up a used Daystate Red Wolf (Non HP) in .22. Curious if it will like slugs too!!
Yeah I bought mine from Charlie at Georgia Airguns, the guns was originally set at 130b I believe or 125b. With the hammer spring maxed I was able to shoot 21gr javelin slugs at 918fps and those groups okay, a little too inconsistent give then hst was maxed, also shot count was almost half at the power. With the 18.1gr pellets and the 17.5gr slugs moving about 870fps I was getting around 100 shots. With the 15.89 going 860fps I would get about 130 shots per fill
 
Appreciate the info. Currently my lightest slug is an NSA 20.2gn. Not sure of the diameter. I'll keep the 17.5gn NSA's in mind!! It def shoots the 18 & 15gn JSB's very well. I haven't put the C2T on the chrony yet so I'll have to do that once they turn the heat back on up here in New York.
I recently picked up a used Daystate Red Wolf (Non HP) in .22. Curious if it will like slugs too!!
Did you get any good results?
 
Did you get any good results?
Haven't had a chance to try yet. My C2T has an issue with the magazine "jamming". It either over rotates or under rotates. I emailed Kalibrgun about it and they arranged to have some parts sent over but I need to take the receiver assembly apart in order to try the fix. If I recall correctly, they sent a new pin probe and the magazine indexing arm.
Of course, it's out of warranty now so hopefully this new indexing arm is the fix so I don't have to send it out for service.