I recently bought a MPX K upper and now I have a stripped copperhead k upper. This is not the old copperhead version, this is a 2021 copperhead k with sear trip. The only flaw is the MLOK rail section on the left side had some tolerance issues while mounting a light and caused the handguard to have some slight imperfections. Sig stated this does not hinder the structural integrity or performance of the upper whatsoever. Trust me, I sent it off. In saying that, this is a great option for those who want to upgrade their regular copperhead or have spare parts lying around to make a complete upper. I am only asking $280 shipped or I will trade for MPX K accessories, parts, case, optics.
MPX UPPER PICTURES
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