A REVIEW OF COLT SMG UPPER RECEIVER

Colt Firearms Colt's Production Business, previously Colt's Patent Firearms Production Company can be an American firearms maker, founded in 1855 by Samuel Colt.  It's the successor Company to Colt's before firearms-earning efforts, which begun in 1836. Colt is known for the engineering, output, and promoting of firearms, most especially betw