Maxim Defense PDX Complete Upper For AR15 - Black | 7.62x39 | 5.5" Barrel | Hate Brake

The PDX™ U.R.G. is also equipped with newly invented Maxim HATEBRAKE™ Muzzle Booster. This patent-pending device significantly reduces recoil, decreases the flash signature, pushes gasses and concussion waves downrange away from the operator improving overall execution in short barrel pistols and rifles. The PDX U.R.G. uses a Direct Impingement system. SPECIFICATIONS WEIGHT: 4 lbsOVERALL LENGTH: 14 inchesBARREL LENGTH: 5.5 inchesCALIBER: 7.62×39MUZZLE THREADS: 1/2-28FINISH: Black Type-III Hard Anodizing FEATURES • HATEBRAKE installed under handguard• M-slot compatible handguard• Military grade materials [6Al-4V Titanium, 17-4 Stainless Steel, 7075 and 6061 Aluminum]• HK height rail for a more rigid upper receiver• Maxim Mil-Spec BCG or PDX/SCW compatible BCG** FUNCTIONS • Optimized Personal Defense Weapon Upper• Increased reliability due to included HATEBRAKE• Optimized low flash and sound signatures• Designed to work with any Mil-Spec lower receiver