Seekins Precision 8″ 300 Blackout Barrel, Stainless Black – Compact,

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SEEKINS BBL 8″ 300BLK STS BLK

Seekins Precision barrels live up to the company’s name. Precision CNC machined to match grade specifications from the best quality 416 stainless steel blanks available, each barrel is inspected no less than four times to guarantee maximum accuracy and reliability. Perfect for building an AR pistol or short barreled rifle, Seekins Precision barrels are built to match grade tolerances. Premium stainless steel blanks are precision machined and inspected guaranteeing perfect concentricity and alignment for maximum accuracy potential. Each barrel has a non-glare bead blast finish which is then ArmorBlak coated and threaded for applicable muzzle devices. Threads 5/8-24 for the .300 Blackout. 5R button rifling and 1:7 twist. Made as a drop in replacement barrel for any mil-spec upper receiver. The .300 Blackout has become the preferred round for suppressed ARs. The barrel uses a pistol length gas system. All Seekins Precision barrels features the unique gas block alignment dimple for quick and easy installation of any .750″ gas block. For optimum rifle performance, use the Seekins Precision Low Profile Adjustable Gas Block for easy tuning of the gas system for your specific ammunition.

$395.00

5 in stock

Purchase & earn 395 points!

SEEKINS BBL 8″ 300BLK STS BLK – Built for Precision. Made to Perform.

Looking for an 8″ .300 Blackout barrel that punches above its weight? The SEEKINS BBL 8″ 300BLK STS BLK delivers tactical performance, premium craftsmanship, and the rugged reliability you expect from Seekins Precision 🔥.

Crafted from 416R stainless steel and finished in black for added corrosion resistance and stealth appeal, this barrel is purpose-built for short-barreled rifle (SBR) setups and pistol builds. Whether you’re running suppressed or unsuppressed, Seekins’ precision rifling and optimized gas port ensure consistent cycling and accuracy you can rely on every single time.

Key Features:

  • 8″ length – Ideal for maneuverability in tight spaces
  • Chambered in .300 BLK – Perfect for subsonic + suppressed builds
  • 1:7 twist rate – Stabilizes a wide range of bullet weights
  • 5/8×24 thread pitch – Compatible with most muzzle devices & suppressors
  • Match-grade 416R stainless steel – Exceptional accuracy & durability
  • Black finish – Tactical look + enhanced corrosion resistance

Whether you’re dialing in a home defense setup, building out a truck gun, or upgrading your range toy, this barrel gives you the accuracy, control, and reliability you demand. Lightweight. Compact. Deadly accurate. 🎯

Backed by Seekins’ reputation for excellence—this is the barrel that earns its place in your next build.

👉 Don’t settle. Upgrade with confidence. Grab the SEEKINS BBL 8″ 300BLK STS BLK today.

UPC

811452021112

Manufacturer

Seekins Precision

Manufacturer Part Number

10120003

Product Type

Barrel

Barrel Length

8"

Caliber/Gauge

.300 AAC Blackout

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