The Heresy Design 16.1 inches 9mm conversion kit is a Game Changer for Steyr Aug A3 M1 enthusiasts seeking versatility and performance in their firearms. This premium conversion kit empowers you to effortlessly switch calibers, enhancing your shooting experience with minimal gas blowback. At its heart lies a precision engineered 16.1 inches barrel, featuring a 3-lug suppressor bipod and a 1/2-28 threaded barrel complete with a thread protector, ensuring compatibility with a wide range of accessories. Designed with a direct blowback operating system, this conversion kit guarantees reliable performance and smooth operation. The package includes everything you need for a seamless transition - the barrel, carrier group and a 9mm Magazine. Installation is a breeze, requiring no modifications to your existing firearm and can be completed in under 90 seconds. Whether you're at the range or in the field, the Heresy Design 9mm conversion kit delivers unparalleled adaptability and precision, making it an essential upgrade for any Steyr Aug A3 M1 owner. Threaded 1/2-28 with an integrated 3-lug suppressor mount Installation is seamless and requires no modifications Engineered for straightforward replacement and maintenance Wear components with Isonite coating Anodized aluminum quad rails Limited lifetime warranty