Known for their modularity, reliability, and versatility, the AR-15 is one of the most popular firearm platforms available on the market today. Bear Creek Arsenal makes finding anything you need for your AR-15 seamless with our easy navigation through a wide selection of complete firearms and AR-15 parts. With an immense variety of calibers, barrel lengths, flutes, finishes, and much more, customizing your AR-15 is made simple in the BCA online store. Find the AR-15 rifle of your dreams or an AR-15 pistol if you prefer a shorter barrel. And for a truly unique firearm, look through our huge selection of AR-15 uppers, lowers, barrels, bolt carrier groups, and magazines and start a new build from the ground up. And if you want to expand your collection, check out our other guns to find the perfect one for you.