11.5 inch gas tube included
The Switchblock® is a complete assembly with gas tube for use on barrels that are .750 inch diameter at the front sight.
The Switchblock® is machined from 17-4ph stainless with a durable matte black nitride finish. The unit is secured to the barrel by one set screw, and one pin (included).
TheSwitchblock® is designed for installation by an experienced armorer or gunsmith. Supplied with gas tube, and wrench. The Switchblock® cannot be installed with standard plastic handguards and does not fit under a railed or tubular handguard.
Switchblock® is a registered trademark of Noveske Rifleworks LLC, and is patented, US patent number 7,856,917.
We recommend a pinned gas block for Military, Law Enforcement, and Self Defense use.
This originally came on an upper Noveske built in 2009. It has less than 100 rounds through it, none of them suppressed.
Includes everything pictured (Switchblock, Gas Tube, Set Screw, Pin, and Switchblock Tool