The Combat Application Tools, Inc. C.A.T. M-4 Tool is one of those rare items that makes you wonder why someone hadn't already invented it. The images below show how simple this tool is, and how easy it is to use. The two largest benefits I saw were on each end of the tool. The ability to plug the tail of a M16 Bolt into this tool and get it clean in a few twists is fantastic, and by flipping it over the interior of the Bolt Carrier is quick work as well. Other features include a patch holder for swabbing the inside of the Bolt Carrier, a bit driver mounting point, and a cleaning section for the firing pin.
Combat Application Tools, Inc. backs this tool with a 100% money back guarantee, and lifetime replacement. The CATM-4 tool is made of Stainless Steel, is 3.5 inches long, weighs 1.4 ounces, and is available in 5.56 and 7.62 sizes.
This tool is not designed to scrub everything 100% perfectly clean, but we found it knocks off the vast majority of carbon very quickly, and saves us a good chunk of time. This is a simple and effective cleaning tool that I can recommend for Military, Law Enforcement, or anyone else who actually shoots their M4/ AR15s. It just plain works, and for a tool made in the USA costing under $30, you can't go wrong with this one.
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