{"version":"1.0","provider_name":"The Captain's Journal","provider_url":"https:\/\/www.captainsjournal.com","author_name":"Herschel Smith","author_url":"https:\/\/www.captainsjournal.com\/author\/admin\/","title":"Barrel Length Versus Bullet Velocity For The 5.56mm","type":"rich","width":600,"height":338,"html":"
Barrel Length Versus Bullet Velocity For The 5.56mm<\/a><\/blockquote>\n