Backyard RAILGUN: Field Testing the 250 lb Electric Gun, 27,000 Joule (max)
Backyard RAILGUN: Field Testing the 250 lb Electric Gun, 27,000 Joule (max) Backyard RAILGUN: Field Testing the 250 lb Electric Gun, 27,000 Joule (max) مقاطع الفيديو ذات الصلة