quick note
Korean consonants do not stand alone in speech. To hear ㄱ you pair it with a vowel: ㄱ + ㅏ = 가. That is why we learned the vowels first. The consonant is the start of the sound, not the whole sound.

Meet ㄱ. You will hear it as 가.

ㄱ
g/k
sounds like

go (g)

remember it as

“gun”

Looks like the corner of a gun barrel pointing down and to the right.

how to make the sound

Back of the tongue touches the soft palate, then releases. Like the g in go.

Audio playback is not available in this browser.