Here's a Marlin .45 at auction.
auctions.thegunrunner.com
Marlin Model 45, .45 acp cal. semi-auto carbine, Blue, 16 1/2" barrel, 2 mags | Gunrunner Online Auctions
Marlin Model 45, .45 acp cal. semi-auto carbine. Serial #06535210. Excellent condition. 16 1/2" micro-groove barrel has an excellent bore, fixed hooded front and leaf style adjustable rear sights. 98% blue finish with just some light handling marks. Receiver is factory drilled and tapped...