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Sig Sauer MCX Opearting Spring Assembly Kit

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Sig Sauer MCX Opearting Spring Assembly Kit

Sig Sauer MCX Opearting Spring Assembly Kit

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$84.99
Details
Details
This is an OEM Sig Sauer MCX Opearting Spring Assembly Kit. Includes operating rods, springs, retainer, and pins.
Specs - More Info
Additional Info
SKU KIT-MCX-OPS-SPRING
UPC Code 798681590902
Manufacturer Sig Sauer
Accessory Rail Not Applicable
Warranty Warranty provided by product manufacturer.
Reviews
Customer Reviews (1)
Upgraded Gen2 to VIrtus BCG
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Value
Quality
I used this kit to upgrade my Gen 2 bolt carrier group with the plastic spring retainer to the Virtus version that has the metal spring retainer that is pinned in place. Note that the operating rods in this kit are ever-so-slightly different than the ones that are used with the plastic spring retainer, so you will need to use the rods from this kit as well if you are doing the upgrade (the reduced profile where the rods click into the spring retainer is slightly longer on these new rods to fit the longer section in the spring retainer that is necessary to allow room for the roll pins). I don't know if you must use the new springs or not - I don't really notice any difference in them - but I did anyway.

As for value - given the price Sig wants for a new complete BCG, this was an inexpensive way to upgrade an old BCG to the most current (and potentially more robust) version.
Review by RainMan_PNW (Posted on 7/1/2019)
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