COLT M-16-K SINCE 1836 20cm Hidden release Lockback DA Automatic knife

Vintage COLT M-16-K SINCE 1836 20cm Hidden release Lockback Automatic Double action knife that can be opened manually with thumb stud, or automatically by pressing the right spot on the front of the knife (hidden). It measures 20.2cm (7 15/16 inches) open and 4 9/16 inches closed. The matte finish multi grind partially serrated Tanto blade is 99% full, or better with original finish and the tang is stamped COLT SINCE 1863 and is etched M-16-K with horse picture to the left of the thumb stud. The frame is black coated aluminum and held on with screws and in good condition with a little wear to the finish in a few spots. The knife works Great with blade tip inside the channel closed, opens fully and locks (both manually and automatically) and has excellent lockup open with just a hint of movement at the tip. No rattle if shaken with blade open.