Faxon Firearms SPORT 300 Blackout 10.5″ AR-15 Pistol Barrel

The Faxon Firearms SPORT 300 Blackout 10.5″ AR-15 Barrel delivers reliable performance in a compact, lightweight package purpose-built for the 300 BLK cartridge. Engineered by Faxon — one of the most trusted names in precision barrel manufacturing — this SPORT-series barrel is an ideal upgrade or build component for AR-15 pistol configurations, SBR builds, and home defense setups where maneuverability matters without sacrificing terminal effectiveness.

The 10.5″ length makes this barrel perfectly suited for 300 Blackout’s subsonic and supersonic loads, optimizing both suppressed and unsuppressed performance at close to medium ranges. Faxon’s SPORT barrels are machined to exacting tolerances and finished to withstand the demands of both the range and the field.

Whether you’re completing a new pistol build or upgrading an existing AR-15 platform, this Faxon SPORT barrel offers exceptional quality at a competitive price point. Deep Roots Rifle Co carries a strong selection of Faxon barrels and AR-15 components — available online with fast shipping nationwide or in person at our Eustis, Florida gun store, where our knowledgeable staff can help you find exactly what your build needs.

**Key Features:**
– Caliber: 300 Blackout (300 BLK)
– Barrel Length: 10.5″
– Platform: AR-15 Compatible
– Manufacturer: Faxon Firearms
– Series: SPORT
– SKU: FXSPT3B105GA9

Order online today or stop by Deep Roots Rifle Co in Eustis, FL to see our full inventory of barrels, parts, and custom build components.