So how are the P15 or Skyhawks in .177 ?

Been thinking of buying a .177 pcp and want to go with a bullpup. Since I already have .22 FX 400 and .25 cal Cricket I am wanting to get a light, easy to maneuver bullpup in .177 which will be used primarily for bird shooting at farms from a truck. I see lots of talk about the .22 and .25 P15's but not too much on the .177. Are they a decent shooting pup and what kind of power and shot count do they get? Really don't want to spend over $500 so the P15 is what I'm looking at getting. Not sure I want to pay extra for a prettier stock, but I might. Really just wondering if the .177 in bullpup form is worth it or just get a .22 to go with my Royale.
 
Seeing how you already have a corvette and a camaro, you would be adding a pinto with a nice paint job to your fleet. If you click “buy” and know you will probably be working on it and dumping money into it, you won’t be disappointed. They don’t use different regulators or tools to build the .177. It’s a decent gun once you get it lined out. It’s light, at least the P15 is because it has minimal wood.