Specifically designed for the US market - NON NFA Product. Made 100% in the USA and shipped from Florida USA.The MCK Gen2 is compatible with the following models:1. Glock 17, 18, 19, 19X, 25, 31, 32, 45 (Gen. 5, 4, 3) | Glock 22, 23 (Gen. 3&4)2. Glock 20, 21 (Gen. 4, 3)3. Glock 26, 27 (Gen. 5, 4, 3, 2)4. Glock 34, 35, 41 (Gen. 5, 4, 3)5. Glock G43, 43X, G48 6. TAURUS G2 & G3 SERIES (Gen. 2)7. SIG SAUER - P365/P365 XL/P365SAS8. CZ P-07/P-099. CZ P-10 C&F10. S&W SD9VE/SD40VE (A suppressor is not compatible | Does not fit the SW9VE or any previous sigma models)11. S&W M&P SHIELD (A suppressor is not compatible |Does not fit EZ models).12. S&W M&P 2.0 4 INCH (A suppressor is not compatible).*** Each pistol model has its respective conversion kit*** The MCK line, packed with a handful of new features favored by various Spec-Ops, SWAT and police communities. The MCK is designed to give you a better grip, stability and platform to additional add on accessories. Allows for smaller group size, quicker target acquisition and added effective range.The extended stabilizer, which now comes standard, enables one-handed firing for better shooting performance. It also comes with a Velcro® strap fastener which provides a custom fit to any user. MCK is the most cost effect conversion kit in the world. Fastest assembly/disassembly conversion kit on the market. Improving accuracy dramatically up to 200 yards