I use my B3-1 to kill squirrel, opossum, and also coons. it has a polished piston (inside and out), preloaded B4 spring, de-burred receiver, brake honed chamber, new seals, and basic lube and trigger job. Shoots amazing and hits a lot harder then it did stock. I prefer crow mag pellets too. Haven't hit the chrono it yet but soon. I have also done some extensive stock work it will be posted soon but I just need to get around to it.
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