Installation Videos for AR-15 Parts
Tips and Tricks for AR-15 Parts and Accessories
- How to Install the AT3 SPEAR M-LOK Handguard
- How Mil-Spec AR-15 Triggers Work
- Installing the Magpul MOE Furniture Kit
- Install Free Float Quad Rail
- How to Install the Buffer Assembly
- Assembling a Lower Receiver
- Cleaning Your AR-15
How to Install the AT3 SPEAR
M-LOK Handguard
This video explains how to install our SPEAR Free Float M-LOK Handguard – as well as some handy tips for completing an upper receiver build or upgrade.
Free Float Handguards are a great upgrade for any rifle, and can increase accuracy by reducing contact on the barrel.
How a Mil Spec AR-15 Trigger Works
Here’s an overview of the function of the AR-15 Mil-Spec trigger – how the trigger works, the components of the trigger, and some ways to improve the function of your Mil-Spec AR trigger.
AR-15 triggers are critical portions of your rifle, as they control the firing of rounds and can have a big impact on your accuracy as a shooter.
We wanted to make a video that shows how an AR-15 trigger works, more specifically the whole fire control group.
Installing the Magpul MOE Furniture Kit
Learn how to install Magpul MOE Furniture Kit. This is an AT3-Exclusive full furniture kit in multiple styles This furniture set contains 3 easy-to-install components – MOE mil-spec buttstock, MOE pistol grip, and MOE carbine handguard.
Install Free Float Quad Rail
This first video shows the whole process – this is great for the “slim design” style rails like our 15.75″ rail. This video is also great because it shows how to remove the sight tower and existing drop-in handguard