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
Field Expedient Density Altitude calculator
Cold Bore/Night Optic and POI Shift Track Logs
KD Data collection sheets from -5000 to 16,700 feet DA
Field Range Cards and Unknown Distance/Observation Amplifying Remarks Cards
Moving target and Hasty Hold formulas
7.0" H x 5.0" W