Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Restriction Government Restriction
Questions & Answers
What is the gas tube length for this barrel?

It depends on which barrel length you choose. I bought the 9 inch barrel wich requires a pistol length has tube.

by Kyle Swenson, Verified Owner, December 23, 2025
Customer Reviews
Most Recent Reviews
Tribe 300 blackout barrel by Yes, Nick is my name, Verified Owner, January 20, 2026
This barrel is well finished, fit and chamber is smooth, no issues so far, I am a regular customer of Optics planet and have never had a problem. I should mention I also have a tribe slide on a Glock clone that is excellent.
Read 1 Review
Blazin' Deal
13% OFF Select Categories
11% OFF the App

We've got an AWESOME deal for you!

Blazin' Deal
Prices have been cut drastically on select models of this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts - sorry about that. This offer won't last long, so don't miss out!
In Stock
12 Models Available

Show with deals only:

Blazin' Deal
Coupon Available
Barrel Length
All
Included Accessories
All
Gas System Length
All
Search
Click to select this item for your bundle offer!

Buy Together and Save

As low as $181.73
You Save Up to 30%
OP Bucks$7.63

Product Info for TRYBE Defense Balance Profile AR-15 Rifle Barrel, .300 AAC Blackout

Discover what your gun is capable of with TRYBE Defense Balance Profile AR-15 Rifle Barrels.image

Optimized Geometry. Superior Metallurgy. Suppressor-Ready.

Upgrade your AR-15 with a barrel engineered for versatility and performance. The new .300 AAC Blackout Balance Profile Barrel from TRYBE Defense features a proprietary hybrid contour and merges the thermal mass and harmonics of a standard government profile with the reduced forward weight of a pencil contour, striking a balance between rigidity and maneuverability ideal for suppressed platforms, SBRs, and versatile hunting rifles.

This .300 AAC Blackout barrel is engineered for reliability and ballistic efficiency across both subsonic and supersonic loads. Constructed from 4150 CMV, the new Balance Profile barrel meets MIL-B-11595E standards for strength and heat resistance. The QPQ black nitride finish diffuses nitrogen into the steel substrate, providing exceptional surface hardness (~60 HRC), wear resistance, and corrosion protection superior to chrome lined barrels. Increased mass near the chamber and gas port area improves heat resistance during high cyclic rates, delaying heat-induced POI shift.

This barrel is not just an upgrade — it's a performance enhancer. Whether you're tuning a precision subsonic system or outfitting a rugged suppressed SBR, the TRYBE Defense Balance Profile AR-15 Rifle Barrel in .300 AAC Blackout delivers high-end performance, material quality, and barrel life you can rely on time and time again.

 

If you like what you see, click on the links below to view a wide variety of our best-in-class offerings from TRYBE Defense, TRYBE Optics, and TRYBE Tactical. TRYBE has hard-core offerings ready to augment your favorite firearm or next custom build that offer superb performance, keeping in mind your hard-earned dollar.

TRYBE Defense Gun Parts and Accessories, Gunsmithing Equipment, Personal Protective Equipment, Pistol Parts, Rifle Parts, and Triggers

TRYBE Optics Binoculars, Night Vision, Rangefinders, Red Dot Sights, Riflescopes, and Weapon-Mounted Accessories

TRYBE Tactical Apparel, Eyewear, Gun Cases, Hearing Protection, Holsters, Magazine Pouches, Plate Carriers, and Range Bags

WARNING: California`s Proposition 65

Specifications for TRYBE Defense Balance Profile AR-15 Rifle Barrel, .300 AAC Blackout:

Manufacturer: TRYBE Defense
Color: Black
Finish: QPQ Black Nitride
Fabric/Material: 4150 Chrome Moly Vanadium
Caliber: .300 AAC Blackout
Barrel Profile: Hybrid
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-8
Barrel Material: 4150 Chrome Moly Vanadium
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Weight: 0.74 lb
Gas Block Journal Size-Length: 1.9 in
Gun Type: Rifle
Threads per Inch: 5/8x24

Features of TRYBE Defense Balance Profile AR-15 Rifle Barrel, .300 AAC Blackout:

  • Balance Profile – Hybrid Government/Pencil Blend for Optimal Weight and Heat Management
  • Tighter Tolerances and Higher-Quality Materials Improve Shot Consistency and Group size
  • The Balance Profile Manages Barrel Temperature During Rapid Fire, Reducing Point-of-Impact Shift, Extending Barrel Life
  • Constructed from 4150 CMV Steel, Built for Heavy Use
  • QPQ Nitride Finish Penetrates the Steel Surface, Offering Superior Corrosion Resistance Compared to Chrome Lining or Phosphate Coatings
  • Ready to Accept Your Favorite 5/8x24 Muzzle Device
  • Ideal for Suppressors
  • Maintains Harmonics Under Backpressure
  • Minimal Shift in POI with Subsonic or Suppressed Configurations
  • Button-Rifled for Increased Accuracy and Guaranteed Consistency of Bore and Groove Dimensions
  • Magnetic Particle Inspected
  • 11° Target Crown
  • Precision Machined in the USA
  • M4 Feed Ramps for Reliable Cycling
  • SAAMI-Spec .300 AAC Blackout Chamber

Package Contents:

  • TRYBE Defense Balance Profile AR-15 Rifle Barrel, .300 AAC Blackout

TRYBE Defense Balance Profile AR-15 Rifle Barrel, .300 AAC Blackout Orderable Models

List of Orderable Models

  • TRYBE Defense Duty Series AR-15 300 AAC Blackout Threaded Barrel, 9 in, Balance Profile, 1/8 Twist, 5/8x24, Black Nitride, TRB-15B38P9NGQ-5R-NP3 , MPN: TRB-15B38P9NGQ-5R-NP3 , UPC: 810089415011 , Code: TRB-ATB-RRTQ23-TRB-ATB-BARBAL9300
  • TRYBE Defense Rifle Barrel and TRYBE Defense Self-Timing Muzzle Brake, .30 Caliber/7.62, 5/8x24 , MPN: BARBAL105300-KIT3 , Code: TRB-ATB-RRTQ23-BARBAL105300-KIT3
  • TRYBE Defense Rifle Barrel and TRYBE Defense Self-Timing Muzzle Brake, .30 Caliber/7.62, 5/8x24 , MPN: BARBAL16300-KIT3 , Code: TRB-ATB-RRTQ23-BARBAL16300-KIT3
  • TRYBE Defense Rifle Barrel and TRYBE Defense Self-Timing Muzzle Brake, .30 Caliber/7.62, 5/8x24 , MPN: BARBAL9300-KIT3 , Code: TRB-ATB-RRTQ23-BARBAL9300-KIT3
  • TRYBE Defense 16 in .300 AAC Blackout Balance Profile AR-15 Rifle Barrel & TRYBE Optics 1-8x24mm Rifle Scope, 30mm Tube, Black , MPN: BARBAL16300-KIT2 , Code: TRB-ATB-RRTQ23-BARBAL16300-KIT2
  • TRYBE Defense 10.5 in .300 AAC Blackout Balance Profile AR-15 Rifle Barrel & TRYBE Optics 1-8x24mm Rifle Scope, 30mm Tube, Black , MPN: BARBAL105300-KIT2 , Code: TRB-ATB-RRTQ23-BARBAL105300-KIT2
  • TRYBE Defense 9 in .300 AAC Blackout Balance Profile AR-15 Rifle Barrel & TRYBE Optics 1-8x24mm Rifle Scope, 30mm Tube, Black , MPN: BARBAL9300-KIT2 , Code: TRB-ATB-RRTQ23-BARBAL9300-KIT2
  • TRYBE Defense 10.5 in .300 AAC Blackout Balance Profile AR-15 Rifle Barrel & TRYBE Optics 1-6x24mm Rifle Scope, 30mm Tube, Black , MPN: BARBAL105300-KIT1 , Code: TRB-ATB-RRTQ23-BARBAL105300-KIT1
  • TRYBE Defense 9 in .300 AAC Blackout Balance Profile AR-15 Rifle Barrel & TRYBE Optics 1-6x24mm Rifle Scope, 30mm Tube, Black , MPN: BARBAL9300-KIT1 , Code: TRB-ATB-RRTQ23-BARBAL9300-KIT1
  • TRYBE Defense 16 in .300 AAC Blackout Balance Profile AR-15 Rifle Barrel & TRYBE Optics 1-6x24mm Rifle Scope, 30mm Tube, Black , MPN: BARBAL16300-KIT1 , Code: TRB-ATB-RRTQ23-BARBAL16300-KIT1
  • TRYBE Defense Duty Series AR-15 300 AAC Blackout Threaded Barrel, 10.5 in, Balance Profile, 1/8 Twist, 5/8x24, Black Nitride, TRB-15A38P10NGQ , MPN: TRB-15A38P10NGQ , UPC: 810089415004 , Code: TRB-ATB-RRTQ23-TRB-ATB-BARBAL105300
  • TRYBE Defense Duty Series AR-15 300 AAC Blackout Threaded Barrel, 16 in, Balance Profile, 1/8 Twist, 5/8x24, Black Nitride, TRB-15A38C16NGQ , MPN: TRB-15A38C16NGQ , UPC: 810089415035 , Code: TRB-ATB-RRTQ23-TRB-ATB-BARBAL16300
Compare (0)