Browse our inventory of AR upper parts from trusted brands like Cole-TAC, Daniel Defense, NcSTAR, Rise Armament, and VKTR. ICB Firearms carries quality AR upper parts for builders and shooters who need dependable components for upgrades, repairs, routine maintenance, and custom rifle setups across common configurations and calibers. You can narrow your search with AR barrels, AR bolt carrier groups, and AR charging handles when you want to tune fit, reliability, and overall performance. We also stock AR gas system and AR handguards to help complete upper assemblies and keep your rifle configured for range work, training, and regular use.
