Maxim Defense Industries PDX U.R.G. Mil-Spec Upper Receiver 300 BLK Hate Brake 5/8-24 Thread 5.5in Barrel Black

Maxim Defense Industries PDX U.R.G. Mil-Spec Upper Receiver 300 BLK Hate Brake 5/8-24 Thread 5.5in Barrel Black. R.G ships with your choice of a Standard Mil-Spec BCG to be used with most common M4 compatible lowers or a PDX/SCW compatible BCG buffer and Spring. The Maxim Defense PDX U.R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec lower receiver. With the PDX U.R.G you dominate close-quarter encounters and achieve maximum energy on targ