Advanced Technology AR-15 Crush Washer 5 Pack, Fits Over 1/2"-28 Threads, Stainless Steel Finish A.5.10.2254

Black Oxide FinishingPremium Crush WashersFits over 1/2"-28 threads AR 15 223/5.56 Steel Crush Washer pack - 5 pcs

Mil-Spec DimensionsStainless Steel9.75"Works with Low-Profile Gas Block This carbine length gas tube works with low-profile gas blocks and is made of stainless steel.

Fits: AR-15 / AR-10Steel Castle NutWorks with Commercial, Military and Hybrid Buffer TubesVirtually IndestructibleManufactured in the USALimited Lifetime Warranty The

Large two chamber design reduces muzzle climbConstructed from tool steel with a phosphate finish1/2-28 threads for 5.56/.223 riflesIncludes a crush washer100% made in USA The MIDWEST INDU

Mil-Spec DimensionsBlack Nitride9.75"Works with Low-Profile Gas Block This carbine length gas tube works with low-profile gas blocks and is made of black nitride steel.