What breed is this 4 year old please

[annageckos]

I agree, looks like a black sex link cockerel.

 

[kie4]

Here he is at 12 weeks 3 days old. Thought I'd post an update.

 

[Gray Farms]

Yep, that appears to be a Black Sexlink cockerel.

 

[kie4]

15 wks and 3 days old