Comstock Armory M-LOK Angled Handstop Black. For best results use a drop of blue Loctite on the screws and torque to between 20 and 30 inch pounds with a 2.5mm Allen wrench. Specifications for Comstock Armory M-LOK Angled Handstop: Manufacturer: Comstock Armory Color: Black Finish: Anodized Gun Type: Rifle Material: 7075 Aluminum Mount: M-LOK Base/Mount Type: Grip Mount Length: 2.75 in Weight: 2.5 oz Features of Comstock Armory M-LOK Angled Handstop Textured front and sides ensure a solid grip in adverse conditions Integrated handstop/barricade stop to prevent the user's hand from slipping forward towards the muzzle Machined from high strength 7075 aluminum with a black anodized finish Fits on most handguards as short as 5.5" Extends only 2.75" from your handguard Package Contents: Comstock Armory M-LOK Angled Handstop 2 M-Lok Nuts Matching Screws Comstock Armory ALAG: M-LOK Angled Handstop Black