For those that use them, who do you like for a .22LR conversion unit for your AR? I had one once upon a time from a local maker (if not the maker, they were at least selling kits under their branding). That outfit changed hands - I can’t remember the name of either party at this point, anyway. The unit used Black Dog brand mags and ran extremely well in a Stag Arms AR that I had at the time. Got out of ARs for a bit and sold the conversion kit. Looking to get back in - haven’t ruled out just buying a S&W M&P 15-22 and calling it a day haha... Thanks for any input!