Rosco Manufacturing’s Non-Adjustable Gas Block V2 are now available for purchase — purposely designed to line up perfectly with Rosco barrels and gas ports to ensure reliable cycling every time. The Non-Adjustable Gas Block V2 is a direct plug-in for any one of the Rosco barrels and has provisions for pinning. Designed to take abuse and perform under the most austere of conditions, each gas block comes with two set screws and two roll pins, weighs 1 pound and measures 4x1.5x1.5 inches. All Rosco accessories are designed to take the abuse from unconventional wear and tear. MSRP: $45. Contact: www.roscomanufacturing.com