The Tactical Solutions X-RING VR Gen 2 Receiver is designed for .22 LR caliber rifles. This receiver features a gray finish and supports a modular approach, allowing users to customize their rifle with a variety of in-house optional parts.Key FeaturesModular Design: Allows for easy customization with optional parts tailored to individual shooting preferences.Caliber: Specifically designed for .22 LR ammunition.Color: Finished in a gray color for a sleek appearance.