.50 BMG is a fairly popular sporting round, surprisingly it's cheaper than .338 Lapua Magnum and other specialised marksman's cartridges. Hell, quite a few suppliers sell brass, primers, powder and bullets for .50 BMG, and people even make wildcats from them (Someone necked the cases up so they're straight-walled and made them into ultra-magnum shotgun shells).
Ur kidding right. Pistols are not low maitenance you have no idea what the forget your talking about. I own several pistols and have a 1911 and i can take that thing apart in the dark and put it back together but it is still a pain to clean.
If you have trouble cleaning a 1911, try cleaning a Walther PPS.
Dear silly people: Use a semi-automatic rifle, pref. an M14, Mini-14 is fine too (So is Mini-30). 10/22 is not fine.