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I'll vote Larue LT112 20MOA with a Warne one pcs picatinny base. That's what is on my LTR and it's rock solid. It comes of and go's back on with no shift in POI. It might be a bit had to find one here but well worth it. My only dislike is that it's made for an AR (monolithic upper) so on my LTR it sits a bit high but I can live with that.