C&H Precision
BUIS for Staccato 2011 w/ C&H Optics Plate for Trijicon RMR
- C&H Precision$46.99Buy
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From C&H Precision
C&H Precision BUIS (Back Up Iron Sights) were specifically designed to be used with the OEM Optic Ready Slides and Direct Milled Slides. LowWitness is defined as a BUIS (Back Up Iron Sights) that sits between .075 to .100 into the optic FOV (Field Of View) which is equivalent to lower 1/6 to lower 1/8. True Co-Witness blocks half of your red dot visible window / FOV while Lower Third blocks one third of your visible window / FOV. Red Dot Industry Experts believe Back Up Irons should not be a vision blocker and should be as low as possible but still useable if needed.