OneFour

founded deep inside the suburb known as Mt Druitt in the district of Western Sydney.

Two members of controversial 'drill rap' group OneFour have been jailed after bashing three men in a pokie room with a hammer and a chair leg.

Pio Misa, known as Youngest Player or just YP, was jailed for four years on Wednesday at the Sydney District Court.

Dahcell Ramos, who goes by the rap name celly14, was jailed for 10 years.

In the early hours of July 21 last year, Misa and Ramos were at the Carousel Inn in Rooty Hill when they viciously assaulted Anthony Hayward, Tony Taylor and Shayne Turner.