by type i meant size ,as the bigger ones had the sights like you describe .
for me with my 1/3 scale i like the full length sight radius , cause i need all the help i can get ,accuracy wise .
but i dont think any big ones had the sights like that .
if you want a muzzle swell that amounts to much i'd go confrderate . i think the first year or two of union ones had a swell but then it was got rid of ....parrots didnt have too big a swell between trunions . there's a sloping foward shoulder on the breech ring on mine , csa .
you got time ,like you said so thats good .