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I assume this will pair with any milspec lower, if that’s the case, do I need to use my own BCG if I’m running a standard carbine buffer? — 1 Answer

by Alex, from TX, United States Asked on March 29, 2020

Name Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver (5)
As Low As $863.49 Save Up to 33%
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Answered by Tom B, Gear Expert, from IL, United States, on September 02, 2021

Per the manufacturer: The Maxim Defense PDX™ U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. **The Maxim PDX U.R.G ships with your choice of a Standard Mil-Spec BCG to be used with most common M4 compatible lowers, or a PDX/SCW compatible BCG buffer and Spring.

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