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IA Iron River Armory

Radical Firearms FR16 SOCOM 5.56 NATO 16″ 15″ RPR FDE/Black

SKUTSW|186164 Conditionnew CategoryAR Rifles
$425.20
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About this product

The Radical Firearms FR16 SOCOM is a forged AR-style rifle built around a 16″ chrome moly vanadium (4140) threaded barrel and a 15″ RPR free-float M-LOK handguard. It uses MIL-STD forged 7075 T6 upper and lower receivers and a mid-length gas system paired with a 1:7″ twist rate for use with standard 5.56 NATO/.223 Rem ammunition. The rifle ships with a B5 Bravo 6-position stock, B5-style grip, an A2 flash hider, and a 30-round detachable magazine.

Key Specifications

  • Chambered for .223 Rem/5.56 NATO.
  • The barrel measures 16 inches and is threaded for muzzle devices.
  • Equipped with a 15-inch RPR free-float M-LOK handguard.
  • Barrel material is 4140 Chrome Moly Vanadium with a Melonite finish.
  • Gas system is a mid-length configuration with a .750 low-profile gas block.
  • Rate of twist is 1:7 for stabilization of common 5.56 bullets.
  • Action type is Semi-Automatic.
  • Includes a 30-round detachable magazine.
  • Stock is a B5 Bravo 6-position with a B5-style grip.
  • Upper and lower are forged 7075 T6 aluminum with Type III anodized finish.

Purpose-built for range work, training, and general-purpose sporting use, the FR16 SOCOM combines forged receiver durability with a long free-float rail for accessory flexibility and consistent handling. Its components and configuration support straightforward maintenance and modular upgrades while delivering the features shooters expect from a modern AR platform.

Specs at a glance

Radical Firearms FR16 SOCOM… SPECS AT A GLANCE 16 inches SIZE
Editorial diagram — measurements verified during testing.
Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$425.20