The PDX Kit comes with everything you need to turn your lower receiver into a Maxim Defense PDX.
FEATURES:
HATEBRAKE installed under the handguard
M-slot compatible handguard
Military grade materials [6Al-4V Titanium, 17-4 Stainless Steel, 7075 and 6061 Aluminum]
SCW Buffer-carrier
HK height rail for a more rigid upper receiver
Military tested Rapid Deploying PDW stock
FUNCTIONS:
Optimized Personal Defense Weapon kit
Increased reliability due to included HATEBRAKE
Optimized low flash
Designed to be installed on any Mil-Spec lower receiver