Product Description Keep your AR-15 running reliably with the TacFire Mil-Spec BCG Gas Key for 5.56x45mm NATO (MAR145). Designed as a direct replacement component for your Bolt Carrier Group, this gas key is manufactured to military specifications, ensuring a precise fit and dependable performance. Built in America and finished in a durable black coating, this part is an ideal choice for AR-15 owners looking to maintain or restore their firearm&';s functionality without compromising on quality. Product Highlights Mil-Spec Construction: Manufactured to military specifications for reliable, consistent performance in your AR-15 platform. Made in America: Proudly produced in the USA, ensuring high-quality craftsmanship and materials. 5.56x45mm NATO Compatible: Purpose-built for the standard 5.56x45mm NATO chambering, a common and versatile AR-15 caliber. Black Finish: Features a durable black finish that resists corrosion and wear for long-lasting use. Direct Replacement Part: Designed as a straightforward replacement for your existing BCG gas key, simplifying maintenance and repair. Specs Brand: TacFire Model: BCG Gas Key MPN: MAR145 UPC: 729205523748 Caliber: 5.56x45mm NATO Finish: Black Specification: Mil-Spec Country of Manufacture: United States of America Length: 3.30" Width: 2.50" Height: 0.40" Weight: 0.045 lbs 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. ]]>