Aluminum Reflex Red Dot Sight fits Tippmann X7 paintball marker accessories. FAST SHIPPING ANYWHERE IN USA -WE SHIP MONDAY THRU SATURDAY DURABLE ALUMINUM EASY INSTALLATION BLACK ANODIZE FINISH MOUNT TYPE: RAIL CLAMP (TWO SCREWS) COMPATIBLE WITH WEAVER/ PICATINNY/ MIL-STD 1913 TYPE RAILS