THE COLT SMG UPPER RECEIVER DIARIES

Colt Firearms Colt's Producing Firm, formerly Colt's Patent Firearms Producing Business can be an American firearms maker, Launched in 1855 by Samuel Colt.  It is the successor corporation to Colt's earlier firearms-creating attempts, which began in 1836. Colt is noted for the engineering, creation, and marketing and advertising of firearms,