Home / Gun Parts / A3 Industries / A3 Industries Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace Black
A3 Industries Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace Black
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Apr 25, 2026
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Description
A3 Industries Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace Black. The HDA3 was designed specifically to integrate seamlessly across dozens of firearm platforms without sacrificing strength or aesthetics to do so. Folding Steel Hinge: The HDA3 utilizes a steel hinge assembly ensuring a strong lockup in the straight and folded position that will not degrade with use. The HDA3 will by default fold to the left side canted at 3.5 degrees. Right side folding variants will be available at a later date. Strong Bones: The HDA3 is designed with all metal internal components for maximum durability. An aluminum cheek riser button and length adjustment latch both interface with an extruded aluminum spine that ties into the steel hinge. Stock & Brace Configurations: The HDA3 is available as a stock with an injection molded extension and rubber buttpad or as a brace with an injection molded extension designed to accept a variety of arm braces. See below for brace compatibility. Adjustment: The HDA3's length can be adjusted in .5" increments between 7 positions. The cheek riser can be used in three positions. In the lowered position raised .25" or raised .5". Both adjustments can easily be manipulated one-handed. Specifications for A3 Industries Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace: Manufacturer: A3 Industries Length: 7.9 in Stock/Brace Material: Polymer Features of A3 Industries Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace Aluminum Extruded Spine 3 Position Adjustable Cheek Riser Rubberized Buttpad 7 length of pull adjustments HD Steel folding hinge Package Contents: A3 Industries Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace A3 Industries HDA3-ZF56-A3-B-LF-BLK: Hda3 Hybrid Polymer Zenith Zf56/Zf300 Folding Stabilizing Brace Black
