Designed for steady, repeatable performance in varied environments, the Seekins Precision 0011510067 Select Adjustable Gas Block emphasizes functional reliability and straightforward operation. Developed to fulfill government program requirements, it allows for near infinite initial adjustment and on-the-fly adjustments without losing your initial gas setting. Ideal for range training and recreational shooting, this model's patent-pending design supports both suppressed and unsuppressed use in the field. Seekins Precision is renowned for its innovative firearm accessories and commitment to quality engineering.