Heresy Design 16.3in .300BLK AUG Conversion Kit Black

Heresy Design 16.3in .300BLK AUG Conversion Kit Black. 3'' .300BLK Conversion Kit is the ultimate upgrade for Steyr AUG A3 M1 owners looking to unlock their firearms full potential. Engineered for suppressor use this conversion kit allows you to seamlessly switch calibers and gas settings shoot subsonic ammunition and optimize your AUG for suppressed use with minimal gas blowback. At the core of the Heresy Design .300BLK Conversion Kit is a 16.3'' barrel equipped with a restrictive 3-setting adj