FAXON Firearms 10.5" .458 Socom Pistol Length Gunner Big Bore AR-15 Barrel
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Faxon Firearms
Overview
The Faxon Firearms 10.5" .458 Socom Pistol Length Gunner Big Bore AR-15 Barrel is designed specifically for .458 SOCOM cartridges, making it ideal for builders looking to create a heavy-hitting AR platform. With a pistol-length gas system and a SOCOM profile, this barrel optimizes reliability and performance, while the 1:14 twist rate ensures stability for the larger projectiles typical of this caliber. You'll commonly see this barrel in builds that prioritize a compact design with significant stopping power, often paired with a .308 Win gas system configuration.
Specifications
FAXON Firearms 10.5" .458 Socom Pistol Length Gunner Big Bore AR-15 Barrel
Available Merchants(6)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have been adding the FAXON Firearms 10.5" .458 Socom Pistol Length Gunner Big Bore AR-15 Barrel to their builds on GunPartPicker since April 2026. All time, it ranks #144 of the 831 barrels builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 6 retailers we track have it in stock. It dipped to $194 at Optics Planet for a stretch in September 2026, under its usual $212.99 to $243.80, so sales do come around. Buying today, the lowest price is $194 at Optics Planet, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Wilson Combat Upper Receiver .458 SOCOM AR-15 Standard Anodized Black
Midwest Industries Suppressor Series M-LOK AR-15 Handguard - 10.5"
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
HEXMAG Rubber AR-15 Tactical Pistol Grip, Black - HX-HTG-Black
Upgrade Your AR-15 with Bushmaster DM2S Trigger - Black - Precision and Speed - F1002086
Timber Creek Outdoors QD End Plate - Black
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