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Maxim pdx upper - Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver

by Chris, from GA, United States Written on April 26, 2021
Review for Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver
Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver
Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver
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Chris's Review of Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver

The 300 blackout version functions great! Eats subsonic and supers with no issue, or modification, it just works. Got a Eotech zeroed to 25, it is spot on. The handguard didn’t heat up as I anticipated, but could if you run a bunch of mags back to back. It is a nice and small package, perfect as a truck gun.
Would Recommend: Yes
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Last updated 2025-11-12 UTC.