Luth-AR Lo-Drag Palmguard Vented 9 in Black Carbine. The Lo-Drag Palm Handguard provides a Picatinny toprail and MLOK slots along both upper sides as well as a row of MLOK slotsalong the bottom to accommodate accessories Specifications for Luth-AR Lo-Drag Palmguard Vented 9 in: Manufacturer: Luth-AR Color: Black Gun Make: AR Platform Gun Model: AR-15 Handguard Length: 9 in Gas System Length: Carbine Length Package Contents: Luth-AR Lo-Drag Palmguard Vented 9 in barrel nut and hardware to secure in place Luth-AR HG-LD9: Lo-Drag Palmguard Vented 9 in Black Carbine