Tips and Tricks for AR-15 Parts and Accessories
Below are some great videos that show how to install various AR-15 parts and accessories
AR-15 Free Float Handguards
AR-15 Furniture Kit
- Free Float Quad Rail Installation
- Zeroing in Iron Sights
- Stock and Buffer Installation
- Trigger Installation
- Assembling an Upper Receiver
- 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
The second video shows how to install the "monolithic" style rails like our 7", 10", and 12" rails (skip ahead to :47)