The Maxim Defense Industries PDX Complete Upper for AR Rifles is a 556NATO with a 5.5inch barrel and an overall length of 14 inches. Designed to install on any Mil-Spec lower receiver, this compact yet powerful component features a Direct Impingement system and is equipped with a Maxim HATEBRAKE™ Muzzle Booster to reduce recoil and flash signature. Ideal for close quarter encounters, its flat dark earth color adds an arid aesthetic to its practical design.
Specs
| Model No. | MXM-47812 |
| Model | PDX |
| Manufacturer | Maxim Defense Industries |
| Color | Flat Dark Earth |
| Caliber | 5.56 |
| Barrel Length | 5.5 |
