Join C.J. from AT3 Tactical as he dives into building his first competition AR-15 for 3-Gun! Learn about the components he chose, why he chose them, and how they improve performance for faster splits, smoother transitions, and overall better control. Whether you’re a beginner or looking to refine your competition setup, this build of the month is packed with insights.
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⏱️ Timestamps
00:00 – Introduction
00:25 – Our Mission For The Build
01:08 – AT3 Flatline Rifle Overview
02:43 – Upgrading BCG, Buffer, and Gas Block
05:00 – Superlative Arms Adjustable Gas Block
05:48 – Optic Choice: AT3 Red Tail Scope
07:03 – Arisaka Offset Mount and AT3 ARO Red Dot
07:58 – AT3 ARO Red Dot
08:53 – Safety Selector Discussion
09:54 – What About An EDC?
🔑 Key Takeaways
Building a competition AR-15 focuses on reducing recoil and improving control for faster shooting.
Upgrading the BCG, buffer, and gas block allows for fine-tuning and smoother cycling.
Choosing the right optic setup is crucial for different target distances and quick transitions.
Adjustable components like gas blocks and buffers can be tuned for specific ammo and shooting styles.
🔗 Relevant Links
Related Video: Glock 43X EDC Upgrade
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💬 Join the Conversation
What are your favorite upgrades for a competition AR-15? Share your tips and experiences in the comments below!
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📊 Poll
What is the most important upgrade for a competition AR-15?
Optic
Trigger
Recoil
Management
🤝 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.
#AR15 #3Gun #CompetitionShooting #AT3Tactical #ARBuild #GunBuild #ShootingSports #Firearms #TacticalGear
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I switched to a Corduroy recoil, felt is so 2019
Would love a 3 gun necessities video!!!
I just cant get behind no forward assist 😢
I feel compelled to buy this rifle for no other reason than how thorough this overview is. The rifle itself looks pretty sweet too.
An adjustable gas block coupled with an adjustable buffer could really make this thing sing.
Good info Thanks for the video.
Very nice rifle, always helpful info, thanks
I miss Randy! Let him create content remotely …
I like the other guy better. This one seems to be tying to hard.
More 3 gun content as you progress would be great.
6061 receivers…..
🙁
i run the Odin adj buffer , with my PAMax Tact BCG, and it is smooth, never failed yet 2 yrs now, with thousands n thousand of rnds
Hope to see you at a match! Ill add that your set up really depends where you shoot. Ask your local guys how they wouod set up the gun for shooting the ttpe of matches youll be most likely to be at
So I recently purchased an H-2 buffer from AT3 and upon receiving it I removed it from the packaging and did the normal thing you do with a buffer and shook it however it did not rattle so I removed the rubber bumper to find no weights it was just a solid piece of metal in the shape of a buffer with a rubber bumper cannot believe I spent money for it definitely would cause bolt bounce however I purchased an actual H2 buffer from Midway for 10 bucks more than what I spent for this catfish weight a little more description of the part being advertised would have been greatly appreciated SMH
The red dot being that far back irks me. To each their own, I guess.
How about listing links to all the parts for this build on your website?