90 Degree Offset Picatinny Rail Mounts: 90° Offset Side Rails Mounts allows the attachment of flashlights, lasers, red dot sights, optics or other.
Fits 21 mm Picatinny System: LONSEL Offset Rail base mounted on standard 21 mm picatinny rail platform, ensure mounting hunting accessory seamlessly.
3-4-5 Slots Offset Picatinny Rails Combo: 90° Offset Mounts with low profile & lightweight & hollow-out design to reduce weight. Pack of 3-slots, 4-slots, 5-slot rails, with matched screws and 3 pcs allen wrench. 3 slots weight: 0.93 Oz, 4 slots weight: 1.04 Oz, 5 slots weight: 1.15 Oz.
Stable Mount, Solid & Durable: Precision machining of high grade 6061 aluminum alloy in black matte anodizing finish, and high tensile steel screws, durable & lightweight, don't worry wobble or shake.
Side Clamp Block Design & Easy To Install: One side clamp block design with 2 built-in clamp fixing screws, easy and quick to remove or mount via allen wrench tool, It can be installed left or right, won't damage your rail.