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SIG SAUER MCX/MPX Side-Folding M4 Style Stock Black - All NFA Rules Apply STKXFOLDM4BLK
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Benny's Review of SIG SAUER MCX/MPX Side-Folding M4 Style Stock Black - All NFA Rules Apply STKXFOLDM4BLK

Easy to install, fits perfect, fast delivery, great price, but no instruction on how to fold the buttstock, still looks good even without folding stock, handles great when firing weapon, can transport it in my weapons case without breaking it down
Would Recommend: Yes
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Last updated 2025-11-12 UTC.