"Stock" FX Crown 25 with superior liner - shooting slugs?

[dvand]

Has anyone had success shooting fx hybrid or other slugs in a "stock" FX Crown that has a superior liner?

I've tried the FX Hybrids and NSA 26.8gr slugs and am getting around 860FPS as compared to 910FPS I'm getting with JSB Kings.

Groups with the pellets are really good (pretty much pellet on pellet) but I'm getting mixed(?) results with the slugs.

This one is at 55 yards.

I'm going to try the hybrids next at around 55 yards.

 

[Mikelo123]

Mine shoots hybrids great with the 700mm Superior liner...

Have them going on average 920 FPS....Reg set at 140 with hammer spring (internal) about a turn and a half out from max....Also have the dual hole transfer port installed on the barrel.

The Hybrids are the only slug I shoot so can't speak for any of the NSA ammo....

 

[dvand]

Ah, the Huma air dual transfer port? 

 

[18.13]

Stock Crown VP 600mm Superior, shoots the NSA 29gr like their laser guided, HS max reg. 145 avg. 899 fps