Unlock the Diamond DMR in “1v1 With Every Gun” with this full guide. Learn weapon progression, challenge tracking, kill requirements, headshot accuracy, loadout tips, killstreak strategy, match performance, rank goals, reward criteria, and gameplay focus. This tutorial helps you complete all tasks necessary to unlock the Diamond camo. Master the DMR and other weapons with skillful aiming and consistency. Use smart tactics in each 1v1 to maximize your progress and dominate the lobby. Level up faster and earn bragging rights by achieving this elite in-game milestone.