CVLIFE Red Dot Riser Mount for Reflex Sight Optic Riser Plate for Picatinny Rail 21MM Aluminum

For Red Dot & Picatinny Rail ] - This red dot riser is designed for direct mounting of red dot sight for onto Picatinny mounting platforms, and red dot with 17mm/0.67in high lens with most iron sights;[ Three Height & Co-Witness Choices ] - For red dot with 17mm/0.67" high lens with most iron sights, 21 (21mm/0.83" riser) for absolute co-witness; [ Material & Finish ] - Crafted with precision CNC machining from 6061 aircraft-grade aluminum alloy and coated in a matte black anodized finish, this riser mount fo red dot boasts anti-corrosion, waterproof, shockproof, sturdy, and robust qualities. It is designed to thrive in even the harshest conditions;[ Detailed Design ] - Significant diagonal lightening cuts reduce excess weight while enhancing impact resistance; The rounded and beveled edges of this reflex sight riser mount are designed to minimize the possibility of snagging on your gear or clothes; We've utilized stronger screws with a blue coating, ensuring a firmer red dot mount and preventing loosening under significant impact;[ Note for Installation ] - Securely tighten locking screws again if the red dot wiggles on the Picatinny rail; Attach 1 pcs of 5mm riser plate at most if slight height adjustment is needed.
Specifications:
Hign-concerned Chemical: None
Origin: Mainland China
Material: Aluminum
Size: 21MM