I vote roo.... Comparing the barring in the neck and the body. On pullets the barring is usually more uniform and roos the hackle barring runs real narrow. Also (supposedly) according to Lemon Cuckoo Orp breeders,the male is the one who demonstrates the barring gene,while the female only carries the gene.So accordingly your roos with 2 barred genes will be cuckoo and then hens and roos with only one copy will be plain buff looking (while still carrying the gene.)