Welcome To The AT3 Knowledge Center!
Get your air-sickness bags ready, Boys. You’re about to plug into the Information MATRIX we like to call The AT3 Knowledge Center … for all things AR-15, AR-10, AR-9 & all AR-style firearms! It’s like Mag Dumping 1,000rds of Pure, American, Unadulterated, 2econd Amendment Info on Your Brain! It’s the AT3 Knowledge Center… Information is what we do best!
Quick Links
Past Winners
AT3 + Shoot Steel Giveaway: Robert C. – GA
Upgraded M&P15 Giveaway: Kyle F. – MN
UTG Complete AR-Build Giveaway: Clinton H. – VA
STNGR 6.5 Grendel Complete Upper Giveaway: Chance C. – PA
NEW GIVEAWAY!
Featured Videos
MilSpec vs. Radian Raptor SD-SL vs. Breek Arms Sledgehammer … Today we’re testing “Do AR-15 and AR-Style Charging Handles reduce gas”, as well as they claim to do?! ***Add your thoughts below*** We’re just getting started. SO many charging handles, SO many visual clues! This is going to be a wild ride!
Step-By-Step Guide to AR Rifle Building
AT3 GeAR Grind
Ultimate AR-10 Builder’s Guide:
Ultimate AR-10 Builder's Guide
Today’s AR-10 is NOTHING like today’s AR-15. It’s NOT universal or “MilSpec”. So, what parts do you actually need to build an AR-10? What actually fits together? DPMS / SR25 Aero Precision M5…Or your off-the-shelf AR-10s like the Sig Sauer 716i? A 5-Part Mini Series walking you through building your AR-10 from scratch. All the parts, where they fit… and MORE!
The Ultimate AR-15 Guide
Ultimate AR-15 Guide
Ep-4: The AR-15 Gas System. THIS Is Why & How Your AR-15 Works! Gas Blocks, Gas Tubes, Gas Ports.
10:03Ep-5: Which AR-15 Handguard is Best For You? M-Lok, Picatinny, Free Float, Drop-In, Quad Rails?
11:54Ep-8: Billet, Forged, Completed, or Stripped Lower Receivers? Your AR-15's Most Customizable Part.
10:18Ep-11: AR-15 Triggers Down & Dirty: Anatomy, Functionality, Stages, Break, Reset, Creep... MORE.
17:00Ep-13: Your Complete AR15 Magazine Guide. Maintenance? Longer Life? Accessories? Who Makes the Best?
12:46Ep-14: What's The Best AR-15 Pistol Grip Improvement? Grip Angle, Texture, Materials, Features...
10:06Ep-15: Which AR-15 Handguard Accessories Matter Most? Angled Foregrips, Bipods, Rail Covers...Or?
14:07All AT3 Tactical Videos!
The Ultimate AR-10 Builder’s Guide Starts Here! | AT3 Tactical
Today’s AR-10 is NOTHING like today’s AR-15! It’s NOT universal or “MilSpec”, for sure. So, what parts do you actually need to build an AR-10?
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
Top Ruger PC Carbine Upgrades in Under 2-Minutes! It’s Rugged, Reliable & Ready For Customizing.
America’s #1 PC Carbine just waiting for you to deck it out in some new gear! 9mm PCC, off the shelf…ready to party!https://youtu.be/vkMoUSJBrWU
Ep-15: Which AR-15 Handguard Accessories Matter Most? Angled Foregrips, Bipods, Rail Covers…Or?
Today we’re talking Vertical Grips vs. Angled Foregrips; Bipod or No Bipod; Rail Covers & Sections. You name it, if it’s an accessory for your
How To Install AR-15 Angled Foregrips | AR-15 Quick Tips
Got 30-Seconds? That’s how long it takes to install your AT3 Angled Foregrip… or ANY angled foregrip for that matter!https://youtu.be/bkJGwIzdRIk
How To Swap Out Your AR15 Dust Cover [Ejection Port Cover] AT3 Slick Side Upper | AR-15 Quick Tips
Got a “Lame-O” metal dust cover on your AT3 Slick Side AR-15 Upper Receiver? Want to swap it out in 60-seconds? Save this AR Quick
Ep-14: What’s The Best AR-15 Pistol Grip Improvement? Grip Angle, Texture, Materials, Features…
Still got that ol’ crusty M16A2 style AR-15 Pistol Grip? Hey, no judgement…but you could do better. Today we talk about the best AR15 Pistol
How Do You Find The Best AR-15 Trigger? “Grade” Them ALL!
Don’t Listen to Everyone Else’s Opinion About the Best AR-15 Triggers… Decide for Yourself! If you know what you’re looking for, you can actually “Grade”