I have for sale. 1 M261 .22cal conversion kit and 2 10rd mag's for it. Kit just drops into any AR15/M16. The mag's fit into any std. 20 or 30 rd. mag. Its in excelent condition, Very relable and a lot of fun! $100 shipped. M/O or pay pal please. email me email@example.com I have pics if needed.