UMB-1 Universal Mattebox (Clamp On) comes standard with two rotating 4x5.65 filter stages (with an optional third stage available), individual tray catchers, folding French flag, 143mm native diameter opening, NATO standard accessory rails on left, right, and top for attaching accessories, and a complete set of clamp on reduction rings. The UMB-1 is designed to be user upgradable and quick to transition from clamp on, to swing away, to ultralight when using a stabilizer. Upgradable to Swing Away or Clamp On versions when needed.
Included Components:
- 2x rotating 4x5.65 filter stages
- Folding French flag
- Clamp on adapter set
- NATO standard accessory rails on left, right, and top

Included Clamp On Adapters:
80mm
87mm
95mm
104mm
110mm
114mm
125mm
134mm
136mm





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