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PWC9 Upper
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this post was submitted on 04 Nov 2025
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Idk for sure with mpa but I bought a MAF upper and bolt and a year later aves had a sale on their mac bolt so I bought one of theirs. the MAF upper works fine with both of them. I would assume the same is true for all of them but I wouldn't put it past any company to make their shit proprietary if they knew they could.