At GrovTec, they are extremely proud to produce rugged and reliable firearms accessories for everyone. Whether you're a hunter, an American service member, or a shooting sports competitor, they believe you deserve tools made by fellow Americans who share common ideals and pride in performance. The Grovtec alignment rod most closely represents the bullet flight path and will show any issue of alignment, if present. Recommended to verify barrel to adapter to suppressor alignment, for any new build or any previously unshot setup.