TruCalibre Lightweight Adjustable Gas Block .750 Steel Black TGBSTL-AD-750. The TruCalibre Low Profile Adjustable Gas Block is the perfect option. You can fine-tune your gas settings for optimal performance with subsonic or supersonic rounds and...
TruCalibre Lightweight Adjustable Gas Block .750 Steel Black TGBSTL-AD-750. The TruCalibre Low Profile Adjustable Gas Block is the perfect option. You can fine-tune your gas settings for optimal performance with subsonic or supersonic rounds and...