This is another series of semi-automatic rifles/carbines that were designed by Gordon Ingram intended for high power pistol rounds. These were all built on a tubular receiver with a fixed barrel/breech block assembly. Hooded blade front sight clamped to the barrel, which is marked "45 AU" on the right side ahead of the receiver. Protected adjustable peep rear sight, the base of which doubles as a dovetail claw mount for optical sights. Marked "SECURITY/ ORDNANCE CORP/ LAS VEGAS, NV/ 45 WM 0001" on the chamber, with a checkered cocking knob, combination extractor and chamber indicator, crossbar safety, and an external magazine housing configured for LAR Grizzly magazines. Smooth pistol grip stock with a smooth butt. Included is one LAR magazine and documentation related to the Durango Carbine, Ranchero Rifle, and other Ingram arms. No information has been found on the Security Ordnance Corporation as of this writing.

Excellent, with 99% of the original blue finish, showing a few mild handling marks and scratches overall. Stock is excellent, with pressure dents on the underside of the forearm and left side below the receiver, along with hints of a tiger stripe pattern on the buttstock. PLEASE NOTE: This arm is a prototype, not fully developed, and firing the arm may result in harm to the weapon and/ or the operator. Rock Island Auction and all related parties assume no responsibility for the use or misuse of this arm.