Rock River Arms SOC0820V1 LAR-15M CLB Complete Upper, 458 Socom 16\" Chome Moly Bull Barrel, Black, Aluminum Rec, 13\" M-LOK Handguard, Beast Brake, Fits AR-15
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Rock River Arms
Overview
The Rock River Arms SOC0820V1 LAR-15M CLB Complete Upper is designed specifically for the AR-15 platform and features a 16" chrome moly bull barrel chambered in .458 SOCOM. With a carbine-length gas system and a 1:14 twist rate, this upper is engineered for optimal stabilization and performance of heavier projectiles, making it well-suited for those who prioritize stopping power and versatility in their builds. This complete upper is often found in builds aimed at big game hunting or tactical applications where .458 SOCOM's heavy-hitting capabilities are desired.
Specifications
Rock River Arms SOC0820V1 LAR-15M CLB Complete Upper, 458 Socom 16\" Chome Moly Bull Barrel, Black, Aluminum Rec, 13\" M-LOK Handguard, Beast Brake, Fits AR-15
Available Merchants(4)
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Build history on GunPartPicker
Builders on GunPartPicker first added the Rock River Arms SOC0820V1 LAR-15M CLB Complete Upper, 458 Socom 16\" Chome Moly Bull Barrel, Black, Aluminum Rec, 13\" M-LOK Handguard, Beast Brake, Fits AR-15 to a build in April 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 4 retailers we track has it in stock right now. Listed prices start at $688.05 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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