Scope Mount Finder

Fit a 34 mm scope on a Picatinny rail

How a 34 mm precision scope mounts to a Picatinny rail and why the rings must be 34 mm.

Direct fitA 34 mm scope mounts directly on a Picatinny rail with 34 mm rings or a 34 mm mount. It is not interchangeable with 30 mm rings.
Optic34 mm scope34 mm rings
interface
Mount34 mm Picatinny rings or a 34 mm one-piece mount
seats on
RailPicatinny rail (MIL-STD-1913)5.23 mm slot, 10.01 mm pitch
Fit readoutBench figures
Fitment
Ring size
34 mm, not 30 mm
Long range
a 20 MOA base adds elevation for distance
What to fit it with

A 34 mm precision scope needs 34 mm rings. A 30 mm ring will not close on a 34 mm tube, so confirm the ring size before buying.

For long range a 20 MOA canted base or mount hands elevation back to the scope so more of its internal travel is left for dialling.

Related fitments

Sources: 1in, 30mm, 34mm scope tubes and rings, Weaver Mounts · MIL-STD-1913 Picatinny rail dimensions, Wikipedia · LPVO mounting height guide, Swat Optics