Olympic Arms Rifle Uppers for Sale

Olympic Arms, Inc., United States, entered the AR-15/M16 upper-receiver market in 1982, and from the 1980s through the 2010s its complete rifle upper assemblies and caliber-conversion “Top End” uppers were a core part of its catalog. In rifle uppers the brand was known for early flattop and free-float features, broad match offerings like Ultramatch and Targetmatch, rare WSSM magnum options, and distinctive pistol-caliber uppers that used proprietary block-free magazines with a magazine-based ejector system.