Maxim Defense Pdx Upper 5.56 5.5" Rifle

The Maxim Pdx Upper 5.56 5.5" Arid represents the pinnacle of compact firepower designed specifically for the Tier 1 operator and demanding tactical professionals. Developed to meet the rigorous requirements of close-quarters battle, this upper receiver group bridges the gap between sub-machine gun dimensions and rifle-caliber ballistics. It provides a solution for those needing a discreet yet potent platform for executive protection or high-threat vehicle operations. By integrating the Maxim Pdx Upper 5.56 5.5" Arid into your kit, you ensure maximum energy on target within confined spaces without sacrificing terminal performance.

Engineering excellence is evident in the PDX U.R.G. design, featuring a 5.5-inch barrel that maximizes maneuverability while maintaining impressive accuracy at extended engagement distances. The Arid finish provides a durable, mission-specific aesthetic that withstands the environmental stressors of field use and heavy firing schedules. This system utilizes a specialized gas system and muzzle device to manage the intense pressures of a short-barreled 5.56 NATO platform, ensuring reliable cycling and reduced muzzle flash. The result is a robust upper receiver that delivers consistent performance under the most demanding operational conditions.

Compatibility is a core feature, as the Maxim Pdx Upper 5.56 5.5" Arid is designed to install seamlessly onto any Mil-Spec lower receiver. This versatility allows users to upgrade their existing platforms to a specialized personal defense weapon configuration without the need for proprietary lower components. Professionals looking for a reliable, short-barreled solution for home defense or professional security details will find this upper to be a definitive force multiplier. Whether you are conducting a review of your current entry gear or looking to buy a purpose-built tactical upgrade, this upper receiver group provides the specifications required for mission success.