What is a bullet loading dock, reloading equipment, such a a Dillon?



Upper Darby police showed evidence they say they pulled from Sun’s bedroom, including a military-style ballistic vest, ski mask, military web gear with pouches to hold ammunition clips, a high-powered crossbow and arrows, a bullet loading dock for an AR-15 and AK-47, an empty box for a gun-making kit, 20 live round, ear protectors for firing, and a strangulation device called a garrote.


http://philadelphia.cbslocal.com/201...st-an-tso-sun/