Ncstar RMB11 Tri Ring Rifle Scope Rings Medium Profile Scope Rings 30mm with 1" inserts Picatinny / Weaver Style Precision Machined from aircraft-grade aluminum for strength and recoil resistance. These Detachable Rings make it easy to change out any scope. You Can Mount a Tactical laser sight or Flashlight right on your scope ring. Lifetime Warranty.