Ep-16: AR-15 Optics Bible! BUIS vs. Red Dot Sight vs. Holographic vs. Prism vs. LPVO vs. Magnifiers

Doesn't matter if you're looking at the best AR-15 Red Dot Sight; EOTech, Holosun, Trijicon, Truglo or AT3 Tactical... You NEED to know what job each AR-15 Sight or Optic has...and more importantly when one is better than the other!

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Ultimate AR-15 Beginner's Guide
   • The Ultimate AR-15 Beginner's Guide |...  

Complete AR-10 Builder's Guide
   • The Ultimate AR-10 Builder's Guide | ...  

00:00 - Intro
01:45 - Iron Sights aka. BUIS
02:03 - Height Over Bore
03:20 - Sight Radius
07:50 - AR-15 Red Dot Sights
08:37 - Eye Relief
10:28 - Red Dot Co-Witnessing
12:22 - How Reflex Sights Work
12:58 - Red Dot Types & Features
19:06 - Holographic Sights
20:55 - Holographic Types & Features
21:50 - Magnified Optics
22:36 - Parallax Error
23:28 - Fixed Prism Optics
26:07 - LPVO's - Low Powered Variable Optics
26:51 - Focal Planes
30:57 - LPVO's Not Scopes?
32:24 - LPVO Types & Features
34:39 - Scopes (Real Scopes)
35:10 - Red Dot Magnifiers
36:25 - Magnifier Types & Features
37:13 - AR-15 Optics Maintenance
37:42 - Basic AR-15 Maintenance


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.