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You've found our assortment of M21 items. All of these products tie together as a specific subsection of CRKT, as they have similar features and a dependable performance level. Peruse the CRKT M21 equipment we have below. If you have any questions tell us. Our industry specialists will help you work out if M21 items are perfect for you, or if another CRKT product line would be a better fit. If you're wondering about how well these M21 items perform, read our CRKT Reviews. They're written by customers just like you and give useful insights. And don't forget that a majority of orders over $49 get free shipping! Rest assured, when you shop at, your experience will be nothing short of excellent.