Luth-AR Lo-Drag Palmguard Vented 15 in Black Rifle. 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 15 in Lo-Drag Palmguard Vented Handguard: Manufacturer: Luth-AR Color: Black Gun Make: AR Platform Gun Model: AR-15 Handguard Length: 15 in Gun Rail: M-LOK Mount Type: Picatinny Package Contents: Luth-AR 15 in Lo-Drag Palmguard Vented Handguard barrel nut and hardware to secure in place Luth-AR HG-LD15: Lo-Drag Palmguard Vented 15 in Black Rifle