The Magpul Dynamics precision rifle data book and precision rifle quick reference cards do not include complete instructions. These cards are designed as a reference for users who have already have obtained a basic level of precision rifle knowledge.
For the best results you should seek qualified instruction in the application of external ballistics and precision rifle fundamentals.
Specifications and Features:
Magpul Dynamics Quick Reference Rifle Cards DYN037
True all-weather, semi rigid writing surface
Recorded material is erasable with alcohol
Mil based range estimation calculator
Marksmanship fundamentals overview and Shooter/Observer checklists
KD Data sheets from -5000 to 16,700 feet DA
Reticle Hold worksheet for BDC based reticles
3 1/8" H x 5 1/8" W