You can shoot prone, even from the cement benched area. I HATE bench shooting as its totally usless.
Seeing the 200 & 300 is seasonal and lawmower-dependant. rather, if the grass is too high and the owner spends the time to cut it.
What gun should you buy? Get the more expensive one, that shoots the more expensive caliber, that you shoot the worst, which is hard for you to operate, and that comes in pink. So next time, you can put your big boy pants on and make the decision for yourself.