Angstadt Arms MDP-9 Roller-Delayed Upper | 9mm

The Angstadt Arms MDP-9 is a compact, roller-delayed upper assembly designed for pistol-caliber AR platforms. It pairs lightweight aluminum construction with a Type III hard coat anodized finish and a roller-delay action for controlled operation. This upper is supplied as a complete assembly suitable for installation on compatible lower receivers.

Recommended applications include pistol-caliber carbine competition and precision range training where a lightweight, reliable PCC upper is desired.

Product Specifications

• The model is MDP-9.
• The caliber is 9mm.
• The barrel finish is Black Type III Hard Coat Anodized.
• The barrel material is Aluminum.
• The rate of twist is 1:10″.
• The color is Black.
• The product is categorized as Complete Upper Receivers.
• This item is a complete roller-delay upper assembly, supplied ready for installation on compatible lowers.
• The UPC is 853427007691.

Compact and thoughtfully executed, the MDP-9 upper offers a pragmatic solution for shooters building a pistol-caliber carbine or upgrading an AR platform for lightweight, controllable operation. Its anodized finish and aluminum construction keep weight low without sacrificing durability, and the roller-delay design provides a different operating feel compared with blowback systems favored in PCC builds.