AR-15 5.56/.223 5.5" Pistol Upper Assembly – Sidewinder Blast Diffuser, M-Lok Rail, Micro Gas System

AR-15 5.56/.223 5.5" Pistol Upper Assembly – Sidewinder Blast Diffuser, M-Lok Rail, Micro Gas System

The AR-15 5.56/.223 5.5" Pistol Upper Assembly is designed for shooters looking for a compact and powerful upper with enhanced control and performance. Featuring a Sidewinder blast diffuser and a micro gas system, this upper ensures superior performance and reduced recoil in a lightweight build. Built with a 5.5" black nitride-coated barrel, M-Lok rail system, and a 5.56 NATO chamber, it provides accuracy and reliability for your next pistol AR project.

Key Features:

• Chamber: 5.56 NATO, compatible with both 5.56 NATO and .223 Remington ammo for versatile shooting

• Barrel:

  • 5.5" Barrel made from 4150 CrMoV steel, known for its ruggedness and durability
  • Black Nitride Finish for enhanced corrosion resistance and barrel longevity
  • 1/5 Twist Rate ideal for lighter ammunition
  • Threaded 1/2 - 28 for compatibility with common muzzle devices
  • Muzzle Device: Sidewinder Blast Diffuser, designed to redirect muzzle blast and reduce recoil for smoother shooting

• Upper Receiver:

  • A3 Flat Top upper receiver made from 7150 Aluminum Forgings, providing strength and stability
  • Forward Assist and Dust Cover installed, ensuring reliable operation in all conditions
  • Black Anodized Finish for added durability

• Gas System:

  • Micro Gas System designed for short-barreled builds to ensure reliability in a compact format

• Handguard:

  • 4" M-Lok Rail for mounting accessories, made from aluminum, and finished in black anodized for protection and performance
  • M-Lok design may vary slightly, but the quality remains consistent

• Weight & Length:

  • Weight: 2.5 lbs
  • Overall Length: 15"

Package Contents:

• AR-15 5.56/.223 5.5" Pistol Upper Assembly with Sidewinder Blast Diffuser and M-Lok Rail
• No BCG and/or Charging Handle included (both sold separately)
• Images may not be the exact representation of the product. Mlok design may vary based on stock availability.