A3 Industries

A3 Industries manufactures AR-15 stocks, braces, and tactical foregrips designed around real shooter needs—modularity, weight savings, and compatibility with standard mounting systems.

Their lineup focuses on three categories:

Stocks & Braces - Aluminum folding and telescoping stocks - Polymer triangle and traditional folding designs - Modular telescoping braces with rubber buttpads - Picatinny and M-LOK mounting compatibility - Offset extensions for rail-mounted optics clearance

Foregrips - Vertical grips with integrated hand-stops - Angled omni grips for multiple hand positions - Slimline designs for tight builds - Both Picatinny and M-LOK mounting

Standard Features - Aluminum construction on premium models (lightweight, durable) - Polymer options for cost-conscious builds - Magpul buttpad compatibility on folding stocks - Quick-detach mounting where applicable

A3 builds parts that solve the actual problems shooters run into: stocks that fold without adding bulk, braces that don't interfere with optics, foregrips that work whether you're running your gun left or right-handed.

Pricing ranges from $47 for basic angled foregrips to $350 for full aluminum modular systems. Most items are stocked by Primary Arms and other major distributors, making them accessible without hunting down specialty retailers.

These components show up on everything from budget AR builds to duty-ready systems. The modular approach means you're not locked into one configuration—swap components as your needs change.