[Repeater-Builder] HLN1185 Heatsink Material?

[Kris Kirby]

Does anyone know what the HLN1185 heatsink is made of? It is aluminum, 
or an odd alloy? I'm thinking it's some form of magnesium case like the 
X9000 (might) have. 

--
Kris Kirby, KE4AHR
Disinformation Analyst