I know this is an old thread but I will post this anyway.
Last year I did some wet newspaper testing with six different 270 Win bullets. These included 130g Interlock, 130g Nosler BT, 130g Hot Cor, as well as a 150g SST and 160g Partition. A 90g HP was thrown in for fun.
The 130g Interlock penetrated further than the NBT and Hotcor of the same weight by a considerable margin. Retained weight was about the same for all three.
These Interlocks were from a batch bought after this thread was originally started, so they are definitely a recent batch.
I admit it was just a dinky little experiment, which I did for a bit of fun. Don't buy or sell stock in any of these companies based on it!
Having said all that, I was impressed with the way the Interlocks performed, being as cheap as they are to buy even in this country where they gouge you at every opportunity.
