Yankee Hill 26-MB-A Slant Muzzle Brake 5.56mm Threaded 1/2-28'' TPI Steel Black. 56mm Threaded 1/2-28" TPI Steel Black - The YHM Slant 5.56mm Muzzle Brake and Compensator hybrid is designed to reduce recoil as well as muzzle rise for a quicker follow up shot. It is made from quality heat-treated steel and plated with Melonite QPQ with a matte black finish. It is threaded 1/2"-28 and includes the crush washer. Specifications for Yankee Hill 26-MB-A Slant Muzzle Brake 5.56mm Threaded 1/2-28" TPI Steel Black: Mfg Item Num: 26-MB-A Supplier SKU: 98767 Category: FIREARM PARTS Type: Muzzle Brake Model: Slant Finish: Black Size: 5.56mm Material: Steel Muzzle: 1/2"-28 TPI The Yankee Hill 26-MB-A Slant Muzzle Brake 5.56mm Threaded 1/2-28" TPI Steel Black is a quality addition to the Yankee Hill Machine lineup. For more great deals on Muzzle Brakes & Compensators by Yankee Hill Machine please browse our Yankee Hill Machine Gun Parts page. Yankee Hill 26-MB-A Slant Muzzle Brake 5.56mm Threaded 1/2-28 TPI Steel Black