AR Barrels

Buy AR barrels online with nationwide shipping, or shop in store at our gun shop in El Dorado Springs, Missouri. At Bear Arms in El Dorado Springs, Missouri, our AR Barrels category offers match-grade and duty-grade barrels in a wide array of lengths, contours, materials, and twist rates to suit hunting, precision, or defensive AR platforms. Choosing the right barrel—profile, gas system length, button vs. cut rifling, and appropriate twist rate—directly impacts accuracy, weight, and recoil impulse. We stock chrome-lined, nitride, stainless, and hammer-forged options, plus threaded and chamber-finished barrels ready for muzzle devices or suppressor mounts. Pair your barrel with a matched AR Bolt Carrier Group, the correct gas block and gas tube, and quality Rifle Ammunition to unlock consistent groups and reliable cycling. If you plan to add optics, combine with Gun Scopes or red dot solutions; for compact platforms, consider barrel length and profile tradeoffs carefully. Our team can recommend twist rates, barrel life expectations, and installation tips to optimize your build. Visit us in El Dorado Springs, Missouri or shop AR barrels online today for expert advice and dependable service.