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MPX Question AR15 upper Login/Join 
Haris1
Member
posted
Hello All:
Does anyone know if a SIG MPX barrel can be installed in a conventional AR-15 Upper?
Or maybe it wont be compatible due to the piston location. Thanks for any replies
 
Posts: 19 | Location: Arkansas | Registered: September 22, 2012Reply With QuoteReport This Post
ah3
Member
posted Hide Post
No it cannot.
 
Posts: 393 | Location: Michigan | Registered: November 30, 2018Reply With QuoteReport This Post
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