I have a Brownells 43/43x slide I bought new in Feb of 2024. I bought it with the understanding that the RMRcc footprint is interchangeable with other optics, well it's not, LOL I am looking to sell or trade for a standard slide with 0 optics cut or one that fits the Holosun 507K footprint (RMS-C). (I'll send it out for milling if needed for a standard slide) I'm looking for another Brownells (fair trade) as an OEM slide is considerably more $$. I have about 200 rds on this slide, the slide will be STRIPPED but I would leave sights on if yours had comparable irons, mine are a black Dawson set. Would sell for $80 shipped with insurance with fees for PP or USPS money orders. The slide is used but still in perfect shape, slight brass mark on the rear from adjusting but will sight set will come off before shipping. Let me know, PM me here for the best results. Thanks for looking.