9mm AR Bible! Everything You Need To Know About Building The Ultimate AR9 PCC

So you’re looking into 9mm ARs, but don’t know where to start? Finding all the right information can take days of research across forums, articles, and YouTube videos. But don’t worry—I’ve done all the work for you!

In this ultimate breakdown of our AR-9s, we break down everything you need to know before jumping into the 9mm AR platform. Whether you’re building from scratch, converting an AR-15, or buying one off the shelf, this guide will help you make an informed decision.

⏰ Timestamps:
00:00 - Build, Buy Or Covert An AR9?
09:45 - Receiver Sets
16:40 - 9mm BCG
25:55 - Barrels
37:24 - Muzzle Devices
45:16 - Charging Handles
50:18 - Handguards
58:09 - Triggers
1:09:44 - Stocks, Pistol Grips, & Lower Parts
1:21:45 - Buffer System
1:37:10 - Optics, Accessories and Magazines

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🤝 Transparency

We strive to provide the growing AR-15 shooting community with helpful, fact-driven information about the AR-15 & AR-15 style firearms and accessories to do our part in bolstering a more well-informed community and safer when handling, building, or shooting their personal firearm. Let's face it, we all have to start somewhere when it comes to becoming a firearms expert. Our goal is to help you get there one small step at a time. The purpose and content of this video is to provide general information regarding the products and their applications on any/all related firearms that strictly comply with all federal, Minnesota state, and local laws. The viewer expressly agrees that AT3 Tactical LLC; its officers, directors, employees, and agents shall not be liable for any damages or losses related to the products and information provided in this video and hereby agrees to hold the foregoing harmless from any such losses or damages. AT3 Tactical LLC is a Federal Firearms Licensee.

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