Googling minimum FPE needed for pellet expansion.

[Don.Chipmunk-slayer]

Those wad cutters were my go-to when they came in the plastic belt clip boxes. Heck just a wad cutter on its own moves a lot of fluid out of the way fired correctly.

Out of nostalgia, I just looked up wadcutter pellets and found the RWS Hobby's. They look similar to the old Crosmans, but with a pleated skirt, like the old Benjamin High-Compression pellets. I might get a tin to tryout.

 

[MongooseV8]

Velocity is the key to expansion....on the handful of pellets that are actually capable of some deformation. Most pellets will not deform at air rifle speeds. A good real world example I have tried myself is the Hades/Atomics. The 22Cal does great and will deform on a spectrum relative to velocity, but the 25/30Cal wont really deform. This has also been tested on youtube with gel and water, although not a good test for game performance. The H&N Crow Magnums and Hunter Extremes will do pretty good expansion on game as well, depending on the speeds.

 

[Don.Chipmunk-slayer]

Velocity is the key to expansion....on the handful of pellets that are actually capable of some deformation. Most pellets will not deform at air rifle speeds. A good real world example I have tried myself is the Hades/Atomics. The 22Cal does great and will deform on a spectrum relative to velocity, but the 25/30Cal wont really deform. This has also been tested on youtube with gel and water, although not a good test for game performance. The H&N Crow Magnums and Hunter Extremes will do pretty good expansion on game as well, depending on the speeds.

Makes sense, since FPE is directly affected by velocity (and weight). Which is why I'm dying for my rifle to come back with the steroid tune ... more velocity equates to more expansion.

 

[RossK]

I shoot tons of steel and mostly at lower velocities 15-20 ft/pds in 22cal.

15.89g@680 ft/s mv.
Approx 30yd impact on steel silhouette