Product Description The LBE Unlimited AR-15 Bolt Catch Plunger Spring 20-Pack is a must-have supply for gunsmiths, range armorers, and dedicated AR-15 builders alike. Manufactured from durable 1117 steel and finished in black, these bolt catch plunger springs are designed to deliver consistent, reliable performance in AR-15 lower receivers. Proudly made in the USA, each pack contains 20 springs so you are always prepared for your next build or ready to replace the one that went flying across the workbench. Product Highlights Pack of 20: Generous quantity ideal for builders, armorers, and range facilities who need dependable backup supply on hand. 1117 Steel Construction: Crafted from high-quality 1117 steel for strength and long-lasting durability through repeated use. AR-15 Compatible: Designed specifically to fit standard AR-15 lower receivers, ensuring a proper fit and reliable bolt catch function. Made in the USA: Manufactured domestically by LBE Unlimited, a trusted name in AR-15 components and accessories. Black Finish: Classic black finish for a clean, consistent look that matches standard mil-spec components. Specs Brand: LBE Unlimited Model/MPN: ARBCS20PK UPC: 706612407519 Compatible Platform: AR-15 Material: 1117 Steel Finish: Black Quantity: 20-Pack Country of Manufacture: USA 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. ]]>