Not real good pictures but here are 3 of my dozen or so MLs, nothing but sidelocks in the herd.
45 cal custom rifle set up for both flint and cap ignition
54 cal custom Leman/Plains rifle
Made in USA 45 cal CVA Mountain Rifle
I have pondered getting one of those "unmentionables" just to see what the allure to them is, but I just can't pull the trigger, so to speak. Nothing against them (as others have also said) I just can't convince myself they offer any realistic advantage for how and where I hunt.