http://blog.springfield-armory.com/7-key-components-of-the-upper-triangle-in-a-shooting-stance
Here are some other knowledge
6 tips for getting better grip
http://blog.springfield-armory.com/6-tips-to-getting-a-better-grip-on-your-gun
Improve your trigger pull with these 6 tips
http://blog.springfield-armory.com/improve-your-trigger-pull-with-these-6-tips
From: Rob Leatham