Here's what we know:
* Korea has a long history of using bayonets. Throughout various periods, Korean soldiers would have used bayonets, just like armies around the world. These bayonets would have been compatible with the rifles used by their respective armies.
* No specific Korean-made bayonet is historically well-known. Korea has primarily relied on foreign arms manufacturers for rifles and bayonets.
* Modern South Korean military uses NATO-standard weapons. South Korea, a member of NATO, uses rifles and bayonets compatible with NATO standards.
To get a clearer idea, you need to specify:
* What era are you interested in? Pre-modern Korea, Imperial Korea, or modern South Korea?
* What rifle were the bayonets attached to? This would give you a better idea of the bayonet's shape and size.
Without more context, it's like asking "what does a 'European' bayonet look like?" - a very broad question with many possible answers!