Luth-AR Palm Handguard - Smooth 15 in Black. Simple to install the Rail will stow away when not in use and a quick-detach sling swivel is included. Additionally the Picatinny Rail has MLOK mounting points for MLOK accessories such as a one-lever shotgun sling. The Picatinny attachment points will work with AR style modern sporting ARs with an action hinged MLOK mounting system. The Rail is modular and can be removed in its completely for use on a different AR style. Also the rail has laser cut anti-snag points on the palm side. Palm side rails can also be removed for competition shooting with the optional Rail Cap kit (sold separately). Barrel nut gas block and barrel spacer are not included. Specifications for Luth-AR Palm Handguard: Manufacturer: Luth-AR Color: Black Finish: Hard-Coat Anodized Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Weight: 1 lb Included Accessories: Heat treated alloy steel barrel nut with a manganese phosphate finish Quantity: 1 Package Contents: Luth-AR Palm Handguard Luth-AR HG-S-15: Palm Handguard - Smooth 15 in Black