1 in 7" twist improved polygonal rifling with 556 Noveske Match Chamber
Extended feed ramps
Bead blasted finish
Pinned Switchblock with Gas Tube
Carbine Gas System
Weight: 26 oz.
The Switchblock does not fit under a rail. Certain rails will fit behind it though.
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 is required to complete the assembly process.
* All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.