Designed specifically for the KRISS Vector, the 4GSK delivers superb sound suppression and accuracy. There are no products listed under this brand. I also removed the Kriss "bolt catch" and put it in my Magpul lower and it functions perfectly. With this magazine your DMK22 will hold the bolt open after the last round is fired, allowing you to reload the same way you would with your AR-15. Any carbine setup with an optic for “business” use or defensive situations, should be outfitted with a pair of backup iron sights (BUIS). Get the latest updates on new products and upcoming sales. My Kriss seems silky smooth now both assembled and as sub assemblies. Internally, the DMK22C substitutes the AR-15’s direct-impingement gas system, rotating bolt and buffer system for a simple direct-blowback bolt with a single recoil spring on a guide rod. In this last category is Kriss USA’s Defiance DMK22C. However, the Defiance upper will attach to and function with a standard AR-15 lower. The magazine interface is compatible with Black Dog Machine’s .22 Long Rifle AR magazines, which are available in 10- to 50-round capacities (blackdogmachinellc.net). It combines center-fire AR features and center-fire AR performance with all of the training advantages of the .22 rimfire, providing an easy way to get in more trigger time with the AR-15 platform. An initial pass reveals the Defiance sight set looks on par with Magpul’s MBUIS line of flip up backup sights. For experienced shooters a .22 allows for more trigger time by opening access to a broader set of range facilities and saves them money on ammunition costs. The Defiance’s other area of interchangeability is its barrel. In this last category is Kriss USA’s Defiance DMK22C. For accuracy testing, we mounted a Vortex Strike Eagle 1-6X scope on a Vortex mount. An initial pass reveals the Defiance sight set looks on par with Magpul’s MBUIS line of flip up backup sights. The KRISS Mag-Ex2 extended magazine is a fully assembled Mag-Ex Kit 2 with a factory standard Glock Magazine. AR-15. Please see the custom rimfire section of the website. Conversions and .22 uppers can be hard on a center-fire rifle’s components. Tuesday, October 24, 2017, E-mail your comments/questions about this site to:ShootingIllustrated@nrahq.orgFor questions/comments about Shooting Illustrated magazine, please e-mail:Publications@nrahq.orgYou can contact the NRA via phone at: NRA Member Programs1-800-672-3888, To advertise on Shooting Illustrated, visit nramediakit.com for more information. The rifle comes with the same Defiance DS150 stock that Kriss uses on its Vector rifles, which is adjustable for six positions. The DMK22P-SB fills the roll of a low cost training solution that replicates the exact form and function of the ubiquitous AR-15 rifle. ammunition. Each system has its disadvantages. ... DEFIANCE. The Defiance is equipped with the same folding backup sights that Kriss puts on the Vector rifles and pistols. The Defiance is completely build from Kriss parts. Kriss Defiance DMK .22LR (BLACK) The DMK22C is a dedicated .22LR, semi-automatic, rifle platform that is optimized for realistic training, accuracy, and that offers nearly limitless customization. This is the factory KRISS DMK22 .22LR Magazine, available in 10 or 15 round capacities. The little rimfire round allows new shooters to start learning a fullsize firearm without the recoil and noise of a high-powered center-fire cartridge. This magazine is for the KRISS DMK22 rimfire sporting rifle, and not for use with the Vector 22. The front post is adjustable for elevation and the rear adjusts for windage, with no tools required.