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300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black
300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black
300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black
300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black
None
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ONE HORSE - 300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black

300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black
Brownells #
430118787
MFR #
OH-BR06
UPC
850078799159
$104.99
Coupon Code
Purchase Limit Help

In stock

Standard Shipping Estimated Delivery
Estimated delivery: Oct 6
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Specifications
Make Model Fit:
AR-15.Universal
Barrel Finish:
Black Nitride
Barrel Contour:
Medium
Twist:
1-7
Item Length (Inches):
2.000
Barrel Length:
10.50
Cartridge:
300 AAC Blackout
Gas System Length:
Pistol
Color:
Black
Item Weight (lbs):
1.985
Item Width (Inches):
2.000
Item Height (Inches):
10.000
Material:
4150 Steel
Quantity:
1
Muzzle Threads:
5/8"x24
Restriction
Threaded Barrel Restriction:
Yes
Prop 65 restriction:
www.p65warnings.ca.gov
View US State Restrictions
Can we ship this to you? (US only)
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What is the ONE HORSE - 300BLK 10.5" Medium Profile Pistol 1-7 Twist Thread Black?

ONE HORSE LLC 300BLK MEDIUM PROFILE PISTOL BARREL FOR AR-15

Build a compact, hard-hitting .300 Blackout rifle with this 10.5″ Pistol Gas Barrel. Chambered for .300 Blackout with a 1:7 twist rate, this barrel ensures optimal stabilization for both subsonic and supersonic rounds, delivering precision for tactical, hunting, or suppressed applications. The pistol-length gas system provides smooth cycling and reduced recoil, while the premium nitride finish enhances corrosion resistance, durability, and ease of maintenance. Crafted to Mil-Spec standards, it’s the perfect foundation for a high-performance AR15 pistol or SBR.

FEATURES

  • 10.5″ length for superior maneuverability in tight spaces
  • .300 Blackout chamber with 1:7 twist for versatile bullet compatibility
  • Pistol-length gas system for reliable operation and softer recoil
  • Black nitride finish for exceptional wear resistance and longevity Craft your ultimate .300 Blackout build—order now!

SPECIFICATIONS:

  • Caliber: .300 BLK
  • Barrel Profile: Medium
  • Muzzle Thread: 5/8X24
  • Twist Rate: 1/7
  • Gas System: Pistol
  • Material: 4150
  • Manufacturer: One Horse
  • Country of Origin: U.S.A.

Threaded Barrel Restriction: 
Threaded Barrels have restricted shipping to CA.

Prop 65WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov

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