Seekins Precision Stainless Match Grade 300 Blackout AR-15 Barrel - 10.5"
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Seekins Precision
Overview
The Seekins Precision Stainless Match Grade 300 Blackout AR-15 Barrel is a 10.5" medium-profile barrel designed specifically for the 300 Blackout caliber. With a twist rate of 1:7, it stabilizes a wide range of bullet weights, making it versatile for various ammunition types. This barrel features a pistol-length gas system and a .750 gas block diameter, ensuring reliable cycling and performance in compact builds. You'll commonly find this barrel in builds optimized for short-range engagements and suppressed shooting applications.
Specifications
Seekins Precision Stainless Match Grade 300 Blackout AR-15 Barrel - 10.5"
Build history on GunPartPicker
Builders have been adding the Seekins Precision Stainless Match Grade 300 Blackout AR-15 Barrel - 10.5" to their builds on GunPartPicker since February 2026. All time, it ranks #392 of the 840 barrels builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $395 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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