i like hollow powerbelts now in my .50 cal tc hawkins flintlock. 295 gr.i can load DOWN ,no kick, it will open up ,not EXPLODE,accurate as h.i am in the 80 /90 gr area of geox 2f.retired my maxi-balls for hunting.348 gr is good one too.more deer are missed with guns do to RECOIL.in muzzleloaders,SMOKE/RECOIL/NOISE both have effect on how accurate you are. most dont practice enough and dont scout and practice on deer. i carry my muzzleloader in off season and squeeze trigger on deer.i also get into different postions when i see a deer in off season and squeeze trigger.with a rifle its a lot different and less chance to FLINCH.flinching with a muzz will cost you a buck.i know a lot dont get time as some of us do to do this,but if i can offer just 1 bit advice. if you have a kicking mule for a muzzleloader you increase your chances of missing a buck. flintlocks that dont kick are much more accurate on deer while hunting.doing this for 40 years hunting ,35 with muzzleloader and i still hate recoil.i see people flinching all over place at range with heavy charges. can you imagine what they are doing in woods with moving target, rain, snow, wind,tired,excited.no place for kicking mule.remember, none of my bucks were ever over 80 yards and most ,10 to 15 yards away.