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Seekins Precision 8" 300 Blackout Match Grade Stainless Steel Barrel

  • Seekins Precision 8" 300 Blackout Match Grade Stainless Steel Barrel
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Seekins Precision 8" 300 Blackout Match Grade Stainless Steel Barrel

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$289.00 $275.00

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MPN: 0010120003


  • Precision machines to match grade tolerances for maximum accuracy
  • Chambered in 300BLK
  • Non-glare bead blasted stainless steel then Armor Black coated for longevity and ease of maintenance
  • 5R Button Rifling

*A barrel that is shorter than 16" is only for use on a pistol configuration firearm or a NFA registered Short-Barreled Rifle (SBR). All NFA laws apply!


  • Caliber: .300 Blackout
  • Length: 8"
  • Gas Placement: Pistol-Length
  • Gas Seat: 0.750"
  • Twist Rate: 1:7 5R Button Rifling
  • Weight: 1 lbs. 1.3 oz.
  • Material: Stainless Steel
  • M4 Feed Ramps: Yes
  • Muzzle Thread Pattern: 5/8"-24
  • Finish: Non-glare bead blasted then Armor Black coated

What is 300 Blackout? What are the benefits of the 300 Blackout cartridge? For more information about the 300 Blackout cartridge, please look at "What to Know about 300 Blackout".


Does your AR15 need a new barrel for your SBR? Are you building an AR Pistol from scratch? Then consider this 8” match-grade stainless steel barrel chamber in 300 Blackout by Seekins Precision. Never settle for anything less than the best when dealing with your prized AR15. Cheap or faulty parts can lead to serious malfunction and even loss of life should you ever find yourself relying on the accuracy of your rifle to protect you.

This product is designed to meet the rigorous requirements for match-grade and tactical rifles and carbines. Because each barrel produced by Seekins undergoes four separate tests, you can feel confident that it is able to withstand the stress of tactical situations and the heat of competition. Only premium stainless steel blanks are used in production to ensure quality that won’t let you down.

This product is threaded for simple muzzle device installation and will fit on all Mil-Spec upper receiver. The non-glare bead blast finish won’t reflect harsh light into your eyes and looks great besides. This replacement is compatible with suppressed applications and is chambered in .300 Blackout.

The Seekins-exclusive gas block alignment dimple makes it easy to install any and all .750” gas blocks. Order your replacement or first-time barrel today and experience the Seekins quality for yourself!

Seekins Offers Value Added Features

When you buy a Seekins Precision 300 AAC Blackout Barrel from Wing Tactical you’re getting more than just a standard 300 Blackout Barrel. Every Seekins barrel features a special dimple to help you align your gas block. Any .750 inch gas block will work with this feature. Our favorite is the Seekins Precision Low Profile Adjustable Gas Block.

Wing Tactical is Here to Help

The quality of Seekins Precision’s 300 Blackout barrel is second only to the quality customer service offered by Wing Tactical’s team. If you have a question or concern, drop us a message and we’ll be happy to help you with your purchase or problem. If you need to decide which muzzle brake will work best with your 300 AAC Blackout build, we have the knowledge it takes to help you make the best choice for your build.

We Ship Fast

Every order Wing Tactical takes is shipped out fast. It doesn’t matter if you’ve selected First Class Snail Mail or an overnight shipment, your order will ship the same or next business day. For Same day shipping, your paid order must be completed no later than 1 P.M. Eastern. We won’t spin your 300 Blackout Barrel order to the bottom of the pile just because you chose a cheaper shipping method. Every order is important to us because we know that every order is important to you.

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