This is the open box power video testing the new 51 cal Challenger Air rifle.
If you have the 457 or the 495 model you will have a good idea on how it handles. 3600 psi fill as a factory set up.
I like the 310 and the 345 grain for big game animals
the Pellet Shop sent this over for a test drive and I am impressed with the out of the box power.

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