Trinity Scope Aluminum Mount Fits Remington 870 Saddle Mount Hunting, single rail mount. Easy to install in existing pin ports on the receiver - no gunsmithing or special tools required Solid one piece design of saddle style that straddles both sides of receiver Top Picatinny rail is 6inch long and has 14 ring slots for proper scope or red dot sight placement Machined aluminum alloy body in anodized non glare matte finish Works with full size scopes and red dot sights with standard Weaver or Picatinny rings.