Well I just started parting out my M14S, so I removed the Marstar Aluminum stock (Now for Sale) and tried to install my brothers USGI stock, but it wouldn't fit. I didn't understand for the life of me why it wouldn't seat properly until I noticed my oprod guide. Why is it so fat?
My Oprod Guide:
My Brother's Oprod Guide:
Here's a couple pictures of rifle.
Marstar Stock (For Sale):
My Oprod Guide:

My Brother's Oprod Guide:

Here's a couple pictures of rifle.


Marstar Stock (For Sale):


