Posted: 10/14/2011 7:14:38 PM EDT
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So will the SPARC mounted on the highest river give a full or 1\3 witness on an AR15/M4?
Thanks |
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Quoted: So will the SPARC mounted on the highest river give a full or 1\3 witness on an AR15/M4? Thanks The highest riser with the spacer will give a lower 1/3 co-witness. If you just use the highest riser without the spacer then you will have an absolute co-witness. |