"This Leupold Mark 4 IMS Integral Ring Insert makes it easy to attach your scope to your AR style rifle. The Mark 4 IMS from Leupold gives you the correct scope height and eye relief plus an extremely rugged and durable construction quality that Leupold mounts are known for. The Leupold Mark 4 Ring Insert allows you to have the rifle scope in the perfect location to maximize accuracy and performance with your Mark 4 IMS Base. The Leupold Integral Mounting Systems (IMS) raises the scope and pushes it forward allowing this AR scope ring insert to to fit a number of scopes. The quick-release function allows for fast removal of the scope from mount for quick accuracy.
- Raises and pushes scope forward to allow for a wide range of riflescopes and maintain comfortable eye relief - 1/4-32 screws hold the insert to the Mark 4 Base
- Compatibility: Mark 4 IMS Integral Base - Ring Diameter: 30mm - Height: 1.42"" - Weight: 3.48 oz - Finish: Matte Black" }