The AF-1911 Romulus is hammer fired featuring a SUS416 black polished DLC finish on the frame and slide; threaded, Bull barrel; injected polymer grip module; extended beavertail, Double Stack magazine; glowing night sights; extended slide release: flared magwell; Picatinny rail; RMSC optics cut; ambi thumb safety. Includes MOS adapter plate, RMSc and RMR plate, 17rd and 20rd magazine.