This is still your favorite compact firearm with the same reliability enhancing technology, but the PDX 505-SPS features our new SCW Pistol System in place of the SCW stock or brace. 

The SCW Pistol System is our newest and most streamlined option for the back end of an AR Pistol. No protruding angles and nothing to get caught on. At just 5.3 ounces, the SCW Pistol System shaves over 10 ounces when compared to our SCW Stock. It includes a rear single point QD swivel mount, an ideal placement when using a sling for accuracy-aiding shots down range. 


  • SCW Pistol System
  • HATEBRAKEinstalled under handguard
  • 2 MOA accurate
  • M-Slot compatible handguard
  • Military grade materials [17-4 Stainless Steel, 7075 and 6061 Aluminum]
  • SCW buffer-carrier
  • HK height rail for a more rigid upper receiver
  • Optimized Personal Defense Weapon.
  • Increased reliability due to included HATEBRAKE
  • Optimized for low flash signature



CALIBERS 5.56 NATO, .300 BLK, 7.62x39mm
BARREL LENGTH 5.5” / 139.7 mm
MUZZLE VELOCITY 5.56 NATO, 62gr: 1965 FPS avg. 7.62×39, 124gr: 1675 FPS avg.
FINISH Black, Arid, Urban Grey Hard Anodizing
OVERALL LENGTH 18.75” / 476.25 mm
WEIGHT (EMPTY) 5.9 lbs / 2.68 kg
MUZZLE DEVICE Maxim Defense HATEBRAKEMuzzle Booster
TRIGGER ALG Combat Trigger (ACT) 


Magazines: Each PDX ships with one 20rd magazine (7.62x39mm 20rd CPD mags, 5.56NATO 20rd DHL, .300BLK 20rd Lancer Systems)

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

Download Spec Sheet

Our products are designed and intended only for use as forearm braces to provide a more stable firearm platform. They are neither designed nor intended to be fired from the shoulder. As configuration changes may alter the classification of a particular firearm, the user bears sole responsibility for determining the correct application of state and federal law.


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