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SDX:505 U.R.G.

The Maxim Defense SDX INTEGRATED SUPPRESSOR SYSTEM is built for the world’s most rigorous demands, this suppressor system is designed to be the most robust and strongest suppressor in its category. Specifically designed to minimize the increase in cyclic rate and gas blowback of a suppressed weapon system, the primary design features of the SDX systems include the significant reduction of sound signature, decreasing flash signature, reduction of recoil, and increase in accuracy.


  • State-of-the-art MonoKore design.
  • Suppressor has a simple 3-piece design.
  • Adds 7.25″ to the muzzle.


  • Drops sound to well below hearing safe levels (specific reduction based on caliber, weapon configuration, and atmospheric conditions) average measurement per MILSTD-1474D of 133dB with Lake City M855 green tip ammunition measured at the shooter’s left ear (SDX-510 chambered in 5.56 NATO).
  • Decreases flash, decreases recoil, and increases accuracy.
  • Fully serviceable.
  • Disassembles with common

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
1.75" (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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