The longest metric bar — 14″ of D-size dovetail drilled at 60mm spacing for William Optics and most Asian-made clamshell rings.
This 14″ metric universal dovetail bar features 60mm wide hole spacing made for William Optics and most Asian-made clamshell rings, plus general-purpose use — the longest of the metric family, with room for wide ring spacing and balance adjustment. D-size (Losmandy-compatible). Machined of sturdy aluminum with a distinctive blue anodized finish. CNC-machined in the USA.
Specifications
Which Universal Bar?
Frequently Asked Questions
What makes this bar "metric"?
The hole spacing: 60mm wide, matching William Optics and most Asian-made clamshell rings — no adapter plates or re-drilling. The imperial universal 14″ bar carries a different variety of hole options instead.
Will my rings bolt to it?
If your rings use 60mm-wide hole spacing — William Optics and most Asian-made clamshell rings — yes. Check the product drawing against your rings, or email us to confirm.
What mounts will this work with?
Any mount with a D-size (Losmandy-style) saddle. Mount still has a small Vixen saddle? Our D-size saddles and conversions upgrade it.
Building out a D-size dovetail rig?
Browse all universal bars, or start with the dovetail system guide.
Shop universal D-size bars Read the dovetail guide