The Heresy Design® 16.3″ .300BLK AUG® conversion kit is engineered for compatibility with the Steyr® AUG® A3M1. This conversion kit allows AUG® owners to easily switch calibers and shoot suppressed, even with subsonic ammunition, with minimal gas blowback. The kit ships with a barrel assembly, and features a barrel assembly that arrives ready for installation.
The conversion kit is chambered in .300BLK with a 16.3″ barrel featuring 41V50 material and Isonite barrel finish, equipped with 1:8 rifling twist and 5/8×24 threading. The Heresy Design features a 3-setting adjustable gas system and a pistol length gas port to allow for subsonic operation. It includes anodized aluminum quad rails with heat isolators and Isonite coated wear parts.
Installation is quick and straightforward, requiring no modifications to your firearm, ready in under 60 seconds. The system is compatible with standard and NATO stocks and features a suppressor-ready design that eliminates piston pop and reduces gas block area venting noise for a quiet shooting experience.
