Heresy Design Aug Conversion Kit 9mm 16.1in Nitride Carrier Steyr A3M1

The Heresy Design AUG CONV. KIT STANDARD STOCK 9MM 16.1'' BBL & CARRIER GRP BLK delivers a precise 9mm Luger conversion for Steyr AUG platforms, pairing a 16.1-inch nitride finished barrel with a robust carrier group to deliver reliable, clean operation. Crafted for Steyr Mannlicher and AUG A3M1 configurations, this kit uses a 1-10 twist and a 3.5 lb barrel weight to balance accuracy and handling in a standard stock setup. The 9mm Luger cartridge, with APP designation, benefits from the kit's co