Last updated on February 22nd, 2026 at 08:30 pm
Let’s Setup The Most Compact AR Bullpup with BRN 180
Have you ever wondered if you could transform your standard AR 15 into a compact AR Bullpup with the Brownell’s BRN 180? In this video, we take a deep dive into the A3 Tactical Triad AR 15 Bullpup Conversion Kit, testing it with the popular BRN 180 upper. Could this be the best ar15 bullpup kit of the year?
The reason this bullpup ar15 works is we’re using a Bufferless AR15 upper. Otherwise an AR 15 bullpup wouldn’t be possible.
(Full Setup & Specs List Below)
A3 TACTICAL TRIAD AR BULLPUP CHASSIS
Use Code “TTB10” For 10% OFF + FREE SHIPPING w/Brownell’s
BRN 180 Chassis
Rifle
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Pistol
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Foxtrot Mike AR Bullpup Chassis
Use Code “TTB10” For 10% OFF + FREE SHIPPING w/Brownell’s
Rifle
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Pistol
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Affordable Stripped Lower Reveiver
Use Code “TTB10” For 10% OFF + FREE SHIPPING w/Brownell’s
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PSA Jakl Bolt Release
This fits the A3 Tactical Triad
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This is the Trigger I used for the AR15 Bullpup
$24.00 OFF After Code TTB10
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DIE FREE CO – TIGER CLAW M-LOK VERTICAL FORWARD GRIP
Use Code TTB10 for 10% OFF + FREE SHIPPING on Orders $150+
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Optic Used In Video
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Blackout Defense Hybrid Keymo Muzzle Device
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JMAC Custom Blast Diversion Shield 37 for Keymo
Must be used with the Keymo Hub Adapter Here
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Or Here
BRN 180 Upper (Gen 2)
Use Code “TTB10” For 10% OFF w/Brownell’s
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Foxtrot Mike FM15 Uppers
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Or Here
Matador Arms MAT-9 Uppers
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CMMG Dissent Uppers
Complete Uppers
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Complete Guns
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CMMG Dissent Uppers Here for $475.00 OFF!!! w/ $12.99 Membership
Use Code “TTB” for the Discounted Membership
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PSA JAKL Uppers and Complete
Complete Uppers
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Complete Guns
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My Favorite Rifle Slings
Tier1Concealed Discount Code – Use Code TTB for 10% OFF
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My Favorite Sling Retention Strap
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ProTac Rail Mount HL-X Pro Long Gun Light Kit
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Or Here
Or Here
My Current Favorite AR-15 Magazines
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My Go-To Water Bottle for the Range
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My Favorite ARMORER’S KIT for AR-15’s
Use Code TTB10 for 10% OFF + FREE SHIPPING on Orders $150+
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Here for $106.00 OFF!!! w/$12.99 membership
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Real Avid Master Gun Vise
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My Favorite AR 15 Cleaning Kit
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My Favorite AR-15 Cleaning Tool for BCG
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Best Lube I’ve Tested
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Badlands 5.56 Reman Range 500 Rounds
This is the only remanufactured 5.56/.223 that I trust…They have 100% QC
Only $0.42 cents per round + $8.99 Fixed Shipping (After Code “TTB5”
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“BOOTY BAGS”
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My Favorite Place to Get Cheap
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Codes
Brownell’s Here
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10% OFF Orders $150+ Use Code TTB10
Never Expires
Optics Planet Here
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Use Code “TACBOX” for 7% OFF anything on the website.
Never Expires
Tier 1 Concealed MSP Holster
It fits any gun that has a SureFire X300, Streamlight TLR-1, Modlight PL350 and PL350C
Flexible and Moves with your Body
Tier1Concealed Discount Code – Use Code TTB for 10% OFF
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NEW Surefire X300 TURBO – 66,000 candela
– Use Code TTB10 for 10% OFF + FREE SHIPPING
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My All Time Favorite Concealed Carry Holster
Tier1Concealed Discount Code – Use Code TTB for 10% OFF
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Add a Holster Wedge to Any Kydex Holster
- Pushes Grip further into your Body
- Adds a Cushion above Pubic Bone
Tier1Concealed Discount Code – Use Code TTB for 10% OFF
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Watch my Review Here!
My Favorite EDC Gun Belt – Designed for Appendix Carry
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Watch My Review Here
My Favorite Wireless Electronic Hearing Protection
Pricey, But Worth It
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This is how I save about $0.25 cents per gallon on gas
(Not sponsored, but totally works)
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Only $499.99!
My Favorite Mag Extensions for Glock, CZ, Sig P320
Use CODE: “TTB5″ For 5% OFF
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My Favorite AR 15 Magazines for Practice & Range Use
ETS Code – Use Code ETSTOOLBOX for 10% OFF
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