Heavy-duty polymer lower receiver block for Mil-Spec AR-15 assembly and maintenance. Features gas block roll pin installation, trigger guard section, and mounting holes for bench or vice use.
Fits: AR-15
The Midwest Industries MI-LRB is a purpose-built work station for AR-15 lower receiver assembly, maintenance, and gunsmithing. This American-made polymer block transforms tedious assembly tasks into straightforward operations.
Whether you're building your first AR or maintaining a well-used rifle, this block secures your lower receiver safely while freeing both hands for precise work. The thoughtful design eliminates fumbling with makeshift solutions and protects your receiver from bench vise damage.