CRKT’s M21 Series | Tactical Knives Review

The CRKT’s M21 knife is a "Big Dog" version for Big Use in any tactical situation.


After the success of the M16® Special Forces series, CRKT worked with designer Kit Carson to come up with a bigger size and more versatile blade shape of the same knife model to appease requests from Military and LE professionals. The M21™ special forces series is the result.

The blade is similar in shape to the Carson M21, but with the addition of a second Carson Flipper on top, resulting in a true hilt. The blade grind is a deep-bellied spear point with a Combined Razor-Sharp and Triple-Point™ Serrated edge on the M21-14SF model.

In addition to the original model with InterFrame build and aluminum scales, CRKT is offering this knife as the M21-14SFG with InterFrame build, G10 scales, and their exclusive Veff™ Serrations. A black titanium nitride blade coating protects against corrosion and gives a low-reflectance finish.

The series features CRKT’s patented* AutoLAWKS™ safety, which provides fully automatic actuation. It immediately turns the folder into a fixed blade when the blade is opened and locked. The safety still allows the quick and smooth one-hand opening and closing that our Carson series is known for. The ambidextrous thumb studs with checkered surfaces provide instant access.

All knives in this series are equipped with clip options that allow four-position carry on belts or webbing— tip up, tip down, left or right. The M21-14SF series is a true advance in tactical locking liner folders, and is today an even better value.

The M21-14SF is a true advance in tactical locking liner folders, and is also an outstanding value with MSRP of $129.99. The M21-14SFG is an incredible value at only $79.99 MSRP.

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