* Includes a Noveske Headspaced Bolt

Stainless 16" Recon 5.56mm Barrel W/Switchblock,(US pat #7,856,917).

• 1 in 7" twist improved polygonal rifling
• Mid length gas system 
• Extended feed ramps 
• 1/2x28 TPI muzzle threads 
• Bead blasted finish 
• Pinned Switchblock with Gas Tube 
• Medium Contour

Weight: 37oz

The Switchblock does not fit under a rail. A 9" rail will fit behind the Switchblock.

The barrel ships with Switchblock installed and the dowel pin in place. This barrel is designed for our Switchblock that is 1" long(INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel installation should be performed by a qualified gunsmith. Removal and installation of the Switchblock dowel pin and Switchblock is required to complete the assembly process.