Find those hard-to-source or often-overlooked AR-15 upper receiver components in one place. This collection covers all the “other” upper parts that keep your rifle running right—miscellaneous hardware, dust covers, shell deflectors, anti-rotation tabs, barrel nuts, delta rings, and more. Ideal for builders, armorers, and anyone servicing or customizing their AR-15, these parts offer mil-spec compatibility and proven reliability. Whether you’re doing a full upper rebuild, replacing damaged parts, or fine-tuning your setup, this collection ensures no critical component gets left behind.