dmcal, welcome, and you should be able to find a m/l'er in you budget, shooting 150grs. of powder is o.k. but not required, i have several and two are capable of the 150grs. loads but i don't shoot it in either one, partly for my comfort, and secondly you may not need all that powder, what i'm saying is different barrel lenghts affect how much powder will be burnt, you could be loading 40-60grs of powder that will just go out the end of the barrel in a fireball, shoot whatever you get and work up a decent load, thompson, knight, and others make very reliable m/l'ers and it adds time to most peoples seasons, good luck and enjoy......

again welcome, this is a great site