Below is the price comparison of all of the listed bayonets.

1. Polish GROT Bayonet 829PLN $320AUD $214 USD

2. Slovenian AREX Spartan €335 $556AUD $371USD

3. Italian Extrema Ratio Fulcrum €490 $$814AUD $543USD

4. Czech BREN Bayonet $592AUD $395USD

5. Czech CZ BREN 2 MK1 $599AUD $400USD

6. US OKC 3S $269AUD $180USD

7. Russian 6x9 fighting knife version only €330 $548AUD $365USD

8. German / Canadian SG2000/CAN2000 €339 $562AUD $365USD

9. Brazilian IMBEL IA2 Fighting knife version only $220USD $319AUD