A lot of people on here own cva's and are very pleased with them. I own a winchester x-150 and i owned a cva staghorn and i cant complain about either of them. Both the guns u asked about are good rifles. Both can shoot 150 grain mag loads but most guns do better with the 100-130 grain area. You'll find that either powerbelts or sabots shoot great, Powerbelts being #1 in my book due to them being simple to load. The 29" barrel will give your powder a little more time to burn cleaner. My winchester shot great groups at 150 yards, i dropped 2 deer from 148 and 146 with open sights, 150 grains pyrodex rs and 295 grain aerotip powerbelt. They do not use the plastic primer cups which is a good thing. Less money to spend lol. CVA recommends 100-130 grains powder for the most accuracy. As for bulle weights, when u buy the gun u just have to buy one kind, try it and if its working and grouping good, stick with it. I now use 120 grains pyro rs and 295 powerbelt. A gun will only be accurate if you do your job behind it.