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The Maxim Defense PDX-SD U.R.G. is a perfectly tuned upper receiver group that provides a direct plug-and-play install to your existing lower receiver. Not only are you getting our Maxim’s tried and true upper receiver components, you’re also getting our toughest rifle silencer to date equipped with our state-of-the-art M-Kore™ technology.


  • State-of-the-art MonoKore design.
  • Suppressor has a simple 3-piece design.


  • Decreases flash, decreases recoil, and increases accuracy.
  • Fully serviceable.
  • Disassembles with common tools

Technical Specification

5.56, 7.62x39, .300 BLK
17-4 Stainless and 6AI-4V Titanium
Black in color DLC (Diamond-like coating) / type III hard coat - fully anodized
2.25" (Outer diameter)

IMPORTANT INFORMATION REGARDING SILENCERS (cans, suppressors, etc.) on any Maxim Defense firearm: CLICK HERE

Puerto Rico Customers: Consumers must go through your local PR dealer. Dealers must buy through Distribution. effective 10/03/2019



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