The Midwest Industries M-LOK Handguard w/ Top Rail 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: Barrel diameter of .700 under lower handguard Rifles with Mfg: Midwest Industries, Inc.