Experience the ultimate in small-frame lethality with our selection of .458 SOCOM complete uppers. Specifically designed to offer the terminal ballistics of the .45-70 Government in the versatile AR-15 platform, the .458 SOCOM is the premier choice for hunters targeting hogs, bear, and large game in thick brush. Unlike large-frame AR-10 builds, these complete upper receivers snap directly onto any mil-spec lower, providing a massive 45-caliber upgrade without the added weight or proprietary parts of a heavy rifle. Whether you are running ultra-heavy subsonic projectiles for suppressed fire or high-velocity supersonic rounds for maximum energy, our .458 SOCOM builds deliver unrivaled knockdown power.
Every .458 SOCOM complete upper assembly in our inventory is purpose-built to handle the unique geometry of this bottlenecked cartridge. To ensure 100% reliable cycling, our uppers feature specialized enlarged ejection ports and heavy-duty .458 SOCOM bolt carrier groups (BCGs) similar to the Tromix brand design with reinforced extractors. We utilize match-grade barrels with a 1:14 twist rate, optimized to stabilize everything from 250gr Barnes TTSX to 500gr subsonics. Because the .458 SOCOM was engineered to function with standard AR-15 magazines(with a slight modification), these uppers provide a seamless, "plug-and-play" transition to big-bore performance. Upgrade to a .458 SOCOM upper today and carry the hardest-hitting rifle on the range or in the field.
Customize your AR-15 Elite 458 Socom upper today with our inventory options. Browse our great pricing and best deals on AR-15 UPPER ASSEMBLIES to start your online shopping now.
Customers Also Liked These Calibers:
450 Bushmaster | 308 | 6.5 Creedmoor