Radical Firearms .300 AAC Blackout 16″ Complete Upper 1:8

Description

The Radical Firearms complete upper is a MIL‑STD assembly chambered in .300 AAC Blackout designed to mount on a MIL‑STD lower receiver. It features a 16 inch, 1:8 twist CMV barrel with a nitride finish and a 15″ RPR M‑LOK handguard for a versatile balance of length and modularity. The assembly ships with an A2 flash hider and is intended for range use and applications that take advantage of .300 Blackout performance.

Key Specifications

• Chambered in .300 AAC Blackout for compatibility with .300 BLK ammunition.
• The barrel measures 16 inches in length for standard handling characteristics.
• The rifling twist rate is 1:8 for stabilization of a broad range of .300 BLK projectiles.
• The handguard length is 15 inches using an RPR M‑LOK design for accessory mounting.
• The barrel material and finish are listed as CMV with a nitride finish.
• The muzzle device supplied is an A2 flash hider.
• The barrel contour is described as HBAR.
• This is a complete upper assembly intended to drop on any MIL‑STD lower receiver.
• Color/finish is specified as Black.
• Product type is listed as a Complete Upper Receiver.

This Radical Firearms complete upper pairs proven .300 AAC Blackout capability with a practical 16″ CMV nitride barrel and a long 15″ M‑LOK rail for flexible accessory placement. Its 1:8 twist and HBAR contour give a reliable platform for range work and specialized applications where .300 BLK is preferred. The straightforward, MIL‑STD form factor makes this upper an efficient choice for builders and shooters who want a ready-to-install assembly that prioritizes function and compatibility.

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