Badger Ordnance USMC M40A3 34mm Scope Rings are the same rings issued by the Marines for the M40A3 Scout Sniper Rifle. To eliminate the damaging effects caused by mismatched rings, each Badger Ordnance USMC M40A3 34mm Scope Ring is precision-machined from barstock steel and serialized to ensure the pair of rings you purchase is as close to identical as possible. Sold in matched pairs Robust hex-head clamping nuts Torx-head ring cap screws Durable black oxide finish NSN #5365-09-511-9954 Badger Ordnance USMC M40A3 34mm Scope Rings fit MIL-STD 1913 Picatinny receiver rails and are compatible with any rifle that has such a receiver rail. Mfg: Badger Ordnance