LWRC's IC-PSD Upper Receiver is perfect for a custom AR SBR or AR Pistol build. It comes equipped with a patented LWRCI short-stroke gas piston system, a system renowned for its dependability and ease of maintenance. The Upper also comes standard with a nickel-boron coated bolt carrier for unmatched resistance to wear and corrosion while also providing permanent lubricity. Additionally, the IC-PSD features a modular rail system with individual rail sections allow the shooter to place accessory rails where they are needed while maintaining its low profile ergonomic fit and function.

Features:

• Proprietary Short Stroke Gas Piston System
• One Piece Gas Block
• User Configurable Rail System
• Ambidextrous Charging Handle