Springfield Armory’s 1911-A1 Service Model Loaded brings together the combination of the original specs of the GI 1911 and the improved customization from the Civilian market. The features of the 1911-A1 Service Model Loaded are extended ambidextrous thumb safety, ergonomic beavertail grip safety, lightweight delta hammer, extended trigger, match stainless steel barrel and bushing. The 1911-A1 Service Model Loaded has a variety of finished, frames, and sights.