The Midwest Industries MILRB Lower Receiver Block is a Blu Polymer block designed for use with Mil-Spec AR-15 lower receivers. It provides a stable, purpose-built interface for holding or supporting the lower during common gunsmithing and assembly tasks.
Key Features
Made from Blu Polymer for secure, shop-friendly handling
Helps stabilize the lower during assembly, inspection, and gunsmithing work
Designed specifically for Mil-Spec AR-15 lower receivers
For consistent support when working on your Mil-Spec AR-15 lower, the Midwest Industries MILRB is a practical bench tool.
