The 2011 80% frame is a modular, double-stack receiver that features a serialized metal chassis compatible with separate polymer grip modules. These incomplete frames require final machining of the rails, pin holes, and top deck, and are available in materials like 4140 steel or 7075-T6 aluminum. For details on purchasing, visit 1911 Builders .
The 2011 80% frame is a modular, double-stack receiver that features a serialized metal chassis compatible with separate polymer grip modules. These incomplete frames require final machining of the rails, pin holes, and top deck, and are available in materials like 4140 steel or 7075-T6 aluminum. For details on purchasing, visit 1911 Builders .
