This is an excellent example of an original Colt Firearms manufactured, fully automatic Model 613 rifle. These original Colt fully automatic commercial M16 type rifles are very rare and hard to find on the open market today as most were restricted to government and foreign military sales. To keep them separate and distinct from the military, they were given their own serial number ranges with this one indicating manufacture between 1973 and 1982, as well as not marking them with the "U.S. Government Property". This rifle was actually produced on the same exact manufacturing line as their military counterparts using the same military grade, factory original parts. Although it is a commercial Model 613 rifle, it is in the later M16A1 type configuration with forward assist on the right side, improved buttstock with the trapdoor compartment, closed flash hider and a chrome lined bore with the standard 1-12 twist. The receiver is roll stamped "COLT M613/CAL. 5.56mm. "5080414"; farther back it is marked "COLT FIREARMS DIVISION/COLT INDUSTRIES/HARTFORD CONN." along with the standard "SAFE/SEMI/AUTO" receiver markings. This is an excellent example of the scarce, early Colt Commercial Model 613 fully automatic rifle in the highly desirable 5.56mm cartridge. This lot comes with one 30 round Colt marked magazine and a green web sling.