"Experience precision with every shot – the IC DI Upper 5.56mm 10.5" BLK is designed for reliability and performance." Ideal for both enthusiasts and professional users, this upper receiver offers a durable black finish and is compatible with both .223 Rem and 5.56 NATO calibers. Its compact size enhances maneuverability without sacrificing accuracy. Picture yourself on a range day, seamlessly hitting targets with confidence due to its exceptional build quality and consistent performance. Choose this for a trustworthy shooting solution that stands the test of time.