【Note】Not for keymod systems Recknagel Picatinny/Weaver rail for German Claw Mount - Optics Trade Picatinny Riser Buy HOUSON Aluinu Lok Picatinny Rail, Rail Dovetail 11mm To 20mm Rail Adapter Product Description Features Hard Anodized Aircraft Aluminum Alloy construction Mounting hardware is made of Corrosion Resistant Stainless Steel Made to the Mil-Standard 1913 Picatinny Arsenal Specifications Features a Snag resistant design, while retaining Mil-Standards specs Self-contained assembly, eliminates the possible loss of mounting... 【DURABILITY】These rails are made of anti-corrosion hard aluminum alloy, wear-resistant MDT’s M-LOK Picatinny Rails are designed to be a reliable addition to our chassis systems when installing various accessories on your bolt action rifle. They are machined from 6061-T6 aluminum, then hard-anodized black for a durable finish 【Package】Each rail is equipped with 2 screws, 2 T-nuts and a hex wrench.