The Ruger 90679 AR-556 5rd .450 Bushmaster Black Steel magazine is a meticulously engineered accessory designed to enhance the performance of your AR-556 rifle. Crafted specifically for straight-walled big-bore rounds, this 5-round magazine is an essential component for any firearm enthusiast looking to maximize the potential of their .450 Bushmaster ammunition. The magazine's robust construction features a laser-welded 410 stainless steel body, ensuring durability and longevity even under the most demanding conditions. Its internal bracing system is a standout feature, expertly controlling the round stack to prevent misalignment and guarantee reliable feeding every time you pull the trigger. This attention to detail makes it an ideal choice for hunters and sport shooters who require consistent performance from their equipment. The sleek black steel finish not only adds a touch of sophistication but also provides an additional layer of protection against the elements. Designed to fit seamlessly into the AR-556 magazine well, this magazine is a testament to Ruger's commitment to quality and innovation. Manufactured in the USA by DURAMAG, it embodies the precision and reliability that Ruger is renowned for. Whether you're in the field or at the range, the Ruger 90679 AR-556 5rd .450 Bushmaster Black Steel magazine is the perfect companion for your big-bore shooting needs, ensuring that each shot is as dependable as the last.