Primary Weapons Systems MK216 Upper 16.1" .308

Primary Weapons Systems MK216 Upper Receiver

The MK216 represents a purpose-built upper receiver assembly designed for shooters who demand precision and reliability in the .308 Winchester platform. This complete upper fits standard AR10 and SR25 compatible lower receivers, making it an excellent choice for those looking to build or upgrade a modern rifle.

Key Features

• Caliber: .308 Winchester
• Barrel Length: 16.1 inches
• Muzzle Device: FRC Compensator for enhanced recoil management
• Finish: Matte black for durability and low visibility
• Platform Compatibility: AR10/SR25 lower receivers

What You Get

This is a complete upper receiver assembly, meaning it arrives ready to mate with your compatible lower receiver. The 16.1" barrel strikes an excellent balance between velocity and handling, making it suitable for both tactical applications and hunting scenarios where a compact profile is advantageous.

The integrated FRC compensator helps manage recoil impulse, allowing for faster follow-up shots and improved target reacquisition. The matte finish resists glare and provides a professional appearance while protecting the steel underneath.

Ideal For

Experienced builders seeking a quality upper assembly, shooters upgrading existing platforms, and those who value the modularity of the AR10 system for .308 Winchester shooting.