Made for heavy shooters, maglula's Range BenchLoader loader is heavy-duty industrial 5.56 x 45 / .223 caliber magazine loader. It loads up to 30 rounds in a single hand stroke, eliminating finger pain, shortening loading time, and it keeps magazine lips intact. This lightweight loader is made with high-quality materials for durability. Injection molded N12 polymer glass-filled compound with UV stabilization is used for the body and slide; 54HRC hardened steel for the magazine catch tooth; and six rubber feet for positive retention when loading.The new Range BenchLoader loader is heavy-duty industrial 5.56 x 45/.223 cal magazine loader made to load a magazine in a single hand stroke. It is intended for daily loading of hundreds of magazines at shooting ranges and armories. It totally eliminates any fingers pain and injury, shortens loading time, and keeps the magazines lips intact. The loaders are durable, light-weight and compact to be carried around with ease. The loaders are made tough and durable thanks to detailed robust design using high-quality materials. Injection molded N12 polymer glass-filled compound with UV stabilization is used for the body and slide, and 54HRC hardened steel is used for the magazine catch tooth. The loaders were tested for slide against body wear, and were tested for dimensional stability at high and low temperatures. Each includes six rubber feet for positive retention when loading. Feature: Heavy-duty design allows loading hundreds of magazines daily Painless, quick, comfortable operation Allows examination of rounds prior to loading Single-stroke loading action Eliminates wear on feed lips, prolongs mag life No maintenance or training required Durable top-quality reinforced polymer