Description

Heresy Design^™ 16.3” .300BLK Conversion Kit

Suppressor Ready AUG^® in Under 60-Seconds

THIS ITEM IS A COSMETIC BLEM ITEM, WHICH MAY HAVE SCRATCHES, DENTS, TOOL MARKS, AND/OR SURFACE FINISH VARIATIONS. THESE BARRELS DO NOT HAVE FUNCTIONALITY DEFECTS, AND HOLD OUR LIMITED LIFETIME WARRANTY. 

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-BM

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