Rainier Arms was started by enthusiasts for enthusiasts. We specialize in high end AR15s/M16s, parts & accessories. "If we won't use it, we won't sell it." Founded in 2005, Rainierarms.com already has more than 2456 unique products, and growing. Our technical advisory team consists of enthusiasts, law enforcement, & military personnel that continue to make our offerings unique and desirable in the market place.