Maxim Defense’s Premium AR Pistols: PDX, MDX-508/510 – SHOT Show 2020

For more information or to pre-order yours, visit MaximDefense.com.   

Maxim Defense announced at SHOT Show 2020 that it is expanding its popular PDX line with the MDX-508 and MDX-510. 

Built for Tier 1 operators, the original PDX is an ultra-compact rifle or pistol (depending on the setup) purpose-built for close-quarters battle (CQB).  We discovered it at last year’s SHOT Show and what blew us away was that despite its small stature — 18.75 inches in overall length with a 5.5-inch barrel — the PDX was quite accurate and it didn’t blow out our eardrums.

The tech behind the soft-shooting PDX is Maxim’s “HATEBRAKE muzzle booster.” Maxim claims that it “significantly reduces recoil, decreases the flash signature, pushes gasses and concussion waves downrange away from the operator and improves overall performance in short barrel pistols and rifles,” and during our short time with it on the range, we’d have to agree.

As many of you guys with AR shorties know, they can be quite LOUD to shoot.

SEE ALSO: Springfield’s Folding AR: The SAINT Edge EVAC – SHOT Show 2020

Anyway, this year Maxim rolled out the MDX-508 and MDX-510, which are everything one loves about the PDX but with slightly elongated barrels, 8.5-inch and 10.3-inch barrel, respectively.  Both guns are now offered in 7.62×39, 5.56 NATO, and .300 BLK.  And, of course, purchasers can choose from the company’s cutting edge stocks and braces that rapidly collapse/deploy with ease.

The MDX-510 and MDX-508 will be available on March 15, 2020.  MSRP for each is listed at $2,495.  For more information or to pre-order yours, visit MaximDefense.com.   

MDX FEATURES:

  • SCW or CQB brace or stock
  • Radian Raptor charging handle
  • Ambidextrous QD sling mounts
  • Armorer level adjustable gas block
  • Ambidextrous rear QD sling mount
  • Radian Talon ambidextrous selector
  • BCM Gunfighter grip
  • ALG Defense Combat Trigger
  • Maxim Defense 7075 billet receiver set
  • M-RAX and M-SLOT compatible handguard
  • HATEBRAKE Muzzle Booster
Color options include black and arid (tan).

MDX-508 SPECS:

  • Calibers: 5.56 NATO, 300 BLK, 7.62x39mm
  • Barrel length: 8.5”
  • Overall length: 21.5” – 23” (collapsed)
  • Configurations: SCW Pistol, SCW SBR, CQB Pistol, CQB SBR
MSRP on the MDX lineup is listed at $2,495.

MDX-510 SPECS:

  • Calibers: 7.62×39 | 5.56 NATO | 300 BLK
  • Barrel length: 10.3”
  • Overall length: 23.5” – 25” (collapsed)
  • Configurations: SCW Pistol | SCW SBR | CQB Pistol | CQB SBR

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About the author: S.H. Blannelberry is the News Editor of GunsAmerica.

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