Product Description The CMMG Plunger Bolt Catch is a precision-engineered replacement component designed specifically for AR-15 rifles. This black-finished plunger fits directly into the bolt catch assembly and ensures smooth, reliable cycling and consistent operation. Whether you are completing a new lower receiver build or replacing a worn-out component during routine maintenance, this CMMG part delivers the dependable performance and quality craftsmanship that the brand is known for throughout the firearms industry. Product Highlights Direct mil-spec replacement plunger for the AR-15 bolt catch assembly for precise fit and function Black finish provides a classic appearance and added corrosion resistance to match standard AR-15 components Manufactured by CMMG, a highly respected name in AR-15 parts, accessories, and complete rifle systems Lightweight design at approximately 0.1 lbs, adding virtually no additional weight to your rifle build Compatible with standard mil-spec AR-15 lower receivers for broad platform versatility Specs Brand: CMMG Product Type: Plunger, Bolt Catch Compatible Platform: AR-15 Color / Finish: Black Weight: 0.1 lbs UPC: 810046234716 MPN: CMM55CA580 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.