The PDX Kit comes with everything you need to turn your lower receiver into a Maxim Defense PDX.

FEATURES:
HATEBRAKE installed under handguard
MOA accurate
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 and sound signatures
Designed to be installed on any Mil-Spec lower receiver

SPECIFICATIONS:
WEIGHT: 5 lbs
LENGTH: 14 inch upper 4 inch SCW stock (collapsed)
BARREL LENGTH: 5.5 inches
CALIBER: 5.56
MUZZLE VELOCITY: 5.56 – 1,965 fps avg (62 gr) 
MUZZLE THREADS: 5/8-24
FINISH: Black in color Type-III Hard Anodizing