Laurie loaded .308 Gain ammo* with sixteen LR primer versions after which examined for average velocity, ES/SD, and team dimensions. This may be one of the most complete and comprehensive LR primer exam ever carried out. Here i will discuss the primer styles examined: Now I do use primer flatness https://federalarmatchprimers40506.elbloglibre.com/31787695/facts-about-federal-ar-match-primers-revealed