Does anybody know where if at all I can buy just the shear pins and springs for a lockright? I just got my D35 back and I went to put it together, and realized I can't find them. 

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You could always make some pins out of a long 1/4" grade 8 bolt and find the correct springs at a hardware store..
I wouldn't. Those pins have to be hardened in some way. They will have what you need. Always better to call. I'm always looking for weird parts and I always find the person on the phone is much more helpful and responsive than the one on the keyboard.