Lw poly .177 on its way, slugs or pellets?

[vmaxpro]

I picked up a lothar walther .177 .390dia .177 polygon, no choke, for one of my air arms. Ive got an S500 thats deadly accurate, and a s510 thats not so much.
Anybody shoot slugs from these with no choke? My .22 polygon loves the mrd’s so Im hoping this one will like the .177 version since Ive got a decent stash of them.

 

[sonnysan]

I'm sure it will shoot slugs no issues. I'd try the KnockOut 10.03gr or NSA 12.5gr for starters. So far I've grouped a S400 & S510, but they are .22

 

[Ranchibi]

I'd shoot both! For slugs you just need to find the correct diameter, weight and length your barrel likes, I'd first try a NSA sample pack and go from there.