SSTRM - StrategicReviewGroup.ca - Humansystems - HSI Dave Tack
1 TACOM Tank-automotive & Armaments COMmand 40mm MK19 Non-Lethal Short Range and Long Range Ammunition Presented to the National Defense Industrial Association.
Marksmen Myths
TM 9-1265-368-10-1_DRAGON_Miles_1982.pdf
Compendium by Armada: Issue 2 - April/May 2012
PI Magazine December 2014