Product Description The Seekins Precision Select Adjustable Gas Block is designed to let you fine-tune your rifle&&';;s gas system with near-infinite initial adjustment, while allowing quick on-the-fly changes without losing your original gas setting. Its patent-pending design was developed to meet government program requirements for reliably running suppressed or unsuppressed in the field. Built from steel and finished in a durable black melonite coating, this .750-inch gas block is a rugged, low-profile solution for dialing in performance and reliability. Product Highlights Near-infinite initial gas adjustment for precise tuning and improved cycling On-the-fly adjustments without losing your established gas setting Patent-pending design intended to support suppressed and unsuppressed field use Durable steel construction with a corrosion-resistant black melonite finish .750-inch diameter size for compatibility with common barrel gas journal dimensions Specs Brand: Seekins Precision Product Type: Adjustable Gas Block Model: Select Gas Block Diameter: .750 in Material: Steel Finish: Black Melonite Weight: 0.31 lb Manufacturer Part Number: 0011510065 UPC: 811452029651 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.