The Badger Ordnance Remington Long Action Scope Rail features an integrated recoil lug, 20 MOA bias, and a true MIL STD 1913 slot pattern for additional mounting options. It is machined from 4142 pre-hard (28-32Rc) Steel and Mil Spec Manganese Phosphate finished.
Features :
"Bore height dimension is .31";"Manganese phosphate finish"
Badger Ordnance Remington Long Action 20 MOA Scope Rail with Integrated Recoil Lug and MIL STD Pattern