• Fits Yugo M70 patterned rifles• Installs in minutes, with easy to follow instructions• Lightweight, rugged construction of 6061 aluminum, hard coat anodized for a lifetime of service• Weighs only 9.1 ounces• Battle proven patented clamping system: US Patent #625,765S• Optic specific models include US patented design features• M-LOK™ compatible design includes one five slot picatinny rail section• Built in anti-rotation QD sockets for QD sling swivels• Lifetime Warranty• 100% Made in the U.S.A.• Requirements for fit:1. Barrel diameter of .700 under lower handguard2. Rifles with grenade launcher front site will need site trimmed as pictured.M-LOK™ is a trademark of Magpul Industries Corp