AR-15 Complete Upper Assembly, 16″ 4150 Parkerized Heavy Barrel, .458 SOCOM, Carbine Length Gas System, 1:14 Twist W/ 15″ Rail


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SKU ASM-15-458-16-001 Categories ,


.458 SOCOM Upper Assembly

Disclosure: Handguards will either be KeyMod or M-LOK depending on availability.

The AR-15 .458 SOCOM Complete Upper Assembly has a 16″ heavy barrel made out of 4150 Chrome Moly Vanadium steel with a parkerized finish for high accuracy at an incredible price point. This upper assembly features a 1:14 twist rate and a carbine length gas system. The build includes a 15″ rail, an M4 flat top forged upper receiver with forward assist, a proprietary bolt carrier group, a birdcage flash hider, and a charging handle. This upper is chambered in .458 SOCOM and machined with a single feed ramp in the barrel extension.

Use a Durkin Tactical AR barrel in your next AR-15 build and experience superior performance with top-quality parts. All finished barrels go through a 100% inspection process.

Durkin Tactical is Your Source for Parts You Can Trust

Whether you’re shopping for a .458 SOCOM complete upper assembly to finish your next gun build, or a complete-package gun build kit with a curated selection of parts, Durkin Tactical has got you covered. We only offer high-quality parts, accessories, ammo, and more, all at insanely competitive prices. Shop this .458 SOCOM upper or browse our wide variety of American-made kits and parts today to level-up your gun build and experience our incredible value-for-money proposition. Don’t forget to take advantage of our shipping insurance, wholesale discounts, and military, firefighter, healthcare provider, and first responder discounts.