TRIARC Systems Mil-Spec AR Gas Tube – Black Nitride

Price range: $15.99 through $17.99

The TRIARC Systems Mil-Spec AR Gas Tube ensures consistent gas flow in direct impingement AR-15 systems, supporting reliable cycling under demanding conditions. Manufactured to mil-spec tolerances, it fits standard gas blocks and is compatible with 5.56 NATO chambered rifles. The tube is offered in four lengths to match typical barrel gas port positions: pistol for compact builds, carbine for shorter rifles, mid-length for balanced performance, and rifle for full-length barrels. Each unit includes a stainless steel roll pin for secure attachment to the gas block.

Key Features

  • Constructed from 304 stainless steel for strength and heat resistance
  • Black nitride finish provides corrosion and wear resistance
  • Includes mil-spec roll pin for gas block installation
  • Meets military specifications for dimensions and material in 5.56 AR-15 parts
  • Available in four standard lengths to suit various barrel configurations

Specifications

  • Material: 304 stainless steel
  • Finish: Black nitride
  • Roll Pin: Included, stainless steel, 0.078″ diameter
  • Lengths and Compatible Barrel Sizes:
    • Pistol: 6.75″ tube length; for 8.3″ barrels
    • Carbine: 9.75″ tube length; for 10.5″ and 11.5″ barrels
    • Mid-Length: 11.75″ tube length; for 12.5″, 13.9″, 14.5″, and 16″ barrels
    • Rifle: 15.125″ tube length; for 16″+ barrels
  • Weight: 0.5-1.0 oz depending on length
  • Compatibility: Standard AR-15 gas blocks and direct impingement systems

Note: Installation requires alignment with the gas block port; professional fitting recommended to ensure proper function. Not compatible with non-standard gas port locations.

The TRIARC Systems Mil-Spec AR Gas Tube is built from 304 stainless steel with a black nitride finish for corrosion resistance and durability. Meets mil-spec standards for 5.56 AR-15 rifles and includes a roll pin. Available in pistol, carbine, mid-length, and rifle lengths for compatibility with common barrel sizes.

Cancellation and Refund Policy

You may read more about our Refund Policy at: https://www.triarcsystems.com/refund-request/