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Browse AR upper parts from respected makers like Franklin Armory, Magpul Industries, CMC Triggers, Armaspec, and Midwest Industries. Bear Arms carries quality AR upper parts for shooters who want solid fit, reliable function, and practical components for a range rifle, defensive setup, or custom build. These parts work well with AR rifles, AR pistols, and AR magazines when you are putting together a complete platform with the right accessories and support gear. We also stock gun parts and red dots sights for buyers who want a clean setup, strong compatibility, and ready-to-run performance from their AR platform.
Browse AR upper parts online by comparing fitment, checking current availability, and reviewing specifications such as barrel profile, gas system length, handguard style, and muzzle thread pattern. A smart parts order starts with the role of the rifle, the caliber you plan to run, and the way each upper component works with the next.
Here are the key details AR upper parts buyers should review before checkout:
Shop AR upper parts online, or visit our store in El Dorado Springs, Missouri. Bear Arms serves customers from nearby cities including Nevada, Bolivar, Clinton, Butler, and Lamar.
Most AR upper parts sell as components rather than complete firearms. Product restrictions, shipping limits, and checkout steps can still vary by item, so review the product page before you place an order.
Fitment can change from one upper setup to the next. Contact the shop if you want help with compatibility, current availability, or store policies.
AR upper parts are the components that build or service the upper half of an AR-pattern rifle.
