No Gas Block System
Thread Pitch: 1/2"x28
Material: 4150 Chrome Moly Vanadium
Weight: 13.8 Oz.
Made in the U.S.A.
WARNING to California Residents:⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.