5.56 NATO

5.56 NATO is arguably the most common, effective, and beloved caliber in the Western world. Designed to be effective while staying lightweight and offering low recoil, 5.56x45 NATO has both military and civilian applications for self-defense, plinking, and varmint hunting. 556 and its twin 223 Remington are 2 of the most widely available and cheapest ammunition as well. BCA offers a wide variety of AR 556 products all with a focus on performance and accuracy so you stay on target. Find your dream 556 rifles, pistols, uppers, or barrels online at Bear Creek Arsenal and experience high performance at a great price!

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"Carving out a niche in the competitive firearms industry, BCA offers an attractive blend of quality, variety, affordability, and exceptional customer service. This unique mix has resulted in a robust customer base that respects Bear Creek not only as a firearms manufacturer but as a trustworthy and reliable brand."


-Unrivaled Craftsmanship and Affordability: Exploring Bear Creek Arsenal’s Impact on the Firearms Industry

Side Charging 

Side Charging Perks


Side Charging Vs Rear Charging


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