Born from the SOCOM PDW solicitation, the NEW Maxim Defense PDX is designed to handle the fierce demands of the Tier 1 community. The PDX dominates close-quarter encounters and achieves maximum energy on target. At just 18.75" in overall length, the PDX delivers groundbreaking power and performance in a subcompact platform.

Uses Maxim’s HateBrake, which combines a linear compensator with a substantial blast-director device.

Available To All Legal Purchasers




Item# Description Availability Qty
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MAXI MXM-47803
Maxim MDX:SP 505 PDX - 5.56 NATO - BLACK MDX 5.5" Barrel - SCW Brace - Hate Brake SCW Pistol

Back Ordered

1 $2,295.00 $2,049.00
MAXI MXM-47802
Maxim MDX:SP 505 PDX- 5.56 NATO - ARID MDX 5.5" Barrel - SCW Brace - Hate Brake SCW Pistol

In Stock

1 $2,295.00 $2,049.00

At the heart of the PDX™ is our Maxim SCW™ system. This patent-pending system cuts down the length of the stock to 4″. The integrated BCG with interchangeable buffer weights gives you maximum performance and versatility without sacrificing form and functionality. The PDX uses a Direct Impingement system.

The PDX™ comes equipped with Maxim’s HATEBRAKE™ muzzle booster. This patent-pending device significantly reduces recoil, decreases the flash signature, pushes gasses, and concussion wave downrange away from the operator, and improves overall performance.

Order Details

  • Not available where prohibited by law
  • Offer not available in all states
  • All web sales must go through a Federal Firearms Licensee
  • Your order confirmation will contain information on how to submit your qualification credentials and FFL information
  • Coupon codes/Discount codes not applicable
  • Please check out the Individual Firearms Sales page for more details on the ordering process.
TypeAR Pistol
ActionSemi-Automatic
Caliber5.56 NATO
Barrel Length5.5"
Capacity20+1
Grips Black Polymer
SightsNone, Optic Ready
Weight5.1 lbs
Metal FinishBlack