Installation Instructions

Step-by-step instruction sheets for A3 stocks, braces, chassis, and accessories — plus a full video walkthrough. Need a hand? Tech support is one email away.

Watch the install walkthrough.

Follow along with the full assembly video on the A3 Industries YouTube channel.

Watch on YouTube

TRIAD & chassis systems

TRIAD Chassis — PistolDownload PDF TRIAD Chassis — RifleDownload PDF ARAK — RifleDownload PDF ARAK — PistolDownload PDF Dissent — RifleDownload PDF

HDA3 stocks & braces

HDA3 — B&T APC PistolDownload PDF HDA3 — JAKL AdapterDownload PDF DissentDownload PDF SIG MCX InstallationDownload PDF

General instruction sheets

Steady BraceDownload PDF PWS UXR Rear AdapterDownload PDF PMX Braces & StocksDownload PDF Compact Vertical ForegripDownload PDF

Stuck on a step? We'll help.

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