Uh-oh. I WAS ABSOLUTELY POSITIVE of the answers to my own questions before I posted them ... now, I'm not so sure! Oh well, here goes - "Brannigan," is the one where, "The Duke," plays an American detective from Chicago on assignment in London. I'm thinking - as our own Mr. Diamonback says, he uses a Colt Diamondback. In, "McQ," which is set in Seattle, we have a difference of opinion and I certainly won't dispute anything with Mr. Wheel. I THOUGHT he used, in order of appearance, a Diamondback, an S&W model #10, 2" blue, buys a Browning Hi-Power and then the Mac 10 Ingram. (Or is it an Ingram Mac-10?) I don't recall the Luger at all? I must've gone for popcorn! And let me ad to the confusion - a friend and I are not in agreement about guns in, "The Shootist." (A John Wayne western, his last film and my own favorite.) I think he has a pair of all blue, engraved Colt SAA's with ivory grips. BUT, one is 4 5/8th and the other 5 1/2. My friend says I'm nuts and blind and they're both 4 5/8th. I claim in the scene where he's unpacking in the boarding house and again after their, "shootin' lesson," it's plain to see ONE of 'em is definitely a 5 1/2" barrel. OK, gents ... fire when ready!