? Two Piece Drop-In Handguard? Incredibly Lightweight (Supplied M-LOK™ compatible Rail adds .5 oz)? MI-17M Carbine 5.0 oz? Solid Lock up!? Drop-in, no gunsmith installation, installs in minutes like factory handguards!? Five anti rotation QD socket locations for QD sling swivels? Monolithic type continuous top rail? MIL-STD 1913 top rail? Compatible with some gas piston systems? Lifetime Warranty? 100% Made in the U.S.A.M-LOK™ is a trademark of Magpul Industries Corp