Description
Heresy Design™ 16.3” .300BLK Conversion Kit
Suppressor Ready AUG® in Under 60-Seconds
The Heresy Design™ 16.3” .300BLK Conversion Kit is the ultimate upgrade for Steyr® AUG® A3 M1 owners looking to unlock their firearm’s 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. Available right at Heresy Design.
PLEASE NOTE WE ARE UNABLE TO SHIP THIS PRODUCT TO CERTAIN STATES. FOR ADDITIONAL INFORMATION, PLEASE VISIT OUR FAQ PAGE.
Built for Performance
At the core of the Heresy Design™ .300BLK Conversion Kit is a 16.3” barrel equipped with a restrictive 3-setting adjustable gas system and a pistol-length gas port. This innovative design allows AUG® users to shoot both supersonic and subsonic .300BLK ammunition. The restrictive gas system ensures a quiet shooting experience by eliminating piston pop and reducing gas block area venting noise. Installation is quick and straightforward, requiring no modifications to your firearm. In under 60 seconds, you are ready to hit the range.
Read coverage on the Heresy Design™ Conversion Kit from Athlon Outdoors here.
.300BLK Conversion at a Glance
16.3” .300BLK Barrel:
5/8×24 threaded barrel with pistol length gas port and upgraded gas piston system
Precision Machined:
Seamless install without any modifications needed
Enhanced Suppressor Compatibility:
3-setting, easy-to-adjust gas system
Durable Construction:
Isonite coated wear parts, Anodized Aluminum quad rails, Limited lifetime warranty
What’s Included:
16.3” .300BLK Barrel
Note: Firearms and suppressors shown in images are for display purposes only. Follow all local, state, and federal regulations regarding firearm use.
Specifications:
SKU: HB16B
UPC: 850055721043
Caliber: .300BLK
Barrel Length: 16.3″
Barrel Material: 41V50
Barrel Finish: Isonite
Rifling Twist: 1:8
Thread Pitch: 5/8×24
Muzzle Device: .30 Cal A2 Flash Hider
Overall Length: 17.625″
Weight: 2 lb. 11.6 oz.
Compatibility: A3 M1 Standard and NATO stocks
Matt K. –
I absolutely love this barrel conversion!! This opens up a whole new world to the Steyr AUG. I fired both supers and subs, suppressed and it ran flawlessly! Thanks for bringing such a great upgrade to the market for one of the finest weapon systems out there!