XM-L2s are soo last week...we've moved on. (3070s, 3590s and VEROs)
Anyhoo, here's a link for some XP-L mounted onto 20mm stars. Don't know anything about the BINS or tint though.
http://www.fasttech.com/products/1609/10009336/1826508
Have you looked here?
XM-L2s...