Nikon M-Series Mount 839 (30mm)
The Nikon M-Series Mount 839 (30mm) was designed to fit any riflescope with a 30mm tube (diameter). It features a lightweight alloy construction and easily attaches to Picatinny rails found on most flattop AR’s.
Fits any riflescope with a 30mm (diameter) tube
Lightweight Alloy Construction
Fits flattop Picatinny rails