The Colt C-7 is the Canadian version of the Colt M-4 weapons system.
The Colt Canada C7 is a Canadian assault rifle, manufactured by Colt Canada (formerly Diemaco prior to 2005), a variant of the Armalite AR-15, and having similar design and function to the Colt M16A3.
The C7 and its variants have been adopted as the standard issue rifle by the militaries of Canada, Norway (Special forces only), Denmark and the Netherlands. Following trials, C8 variants became - and remain - the personal weapon of choice of United Kingdom Special Forces, Royal Military Police Close Protection Teams and other specialist users. It has been used in various combat operations by Canadian, British, Dutch and Danish Forces in Afghanistan and Iraq.
Firearm Manuals Colt C-7 MAINTENANCE INSTRUCTIONS 2014-10-16
C7 FAMILY OF COMBAT WEAPONS Armorers Manual