would someone mind explaining the differenct between these rounds. and what would be more effective coming out of a G29 as a woods gun. 1) doubletap 230gr. WFNGC Hardcast 2) underwood 200 Grain Total Metal Jacket 3) buffalo bore 220 gr. Hard Cast 4) buffalo bore 200 gr. F.M.J. im sure i am beating a dead horse i did search. i have been reading all morning.