Originally Posted by Rusty Shackleford
Did they actually alter the design of the RSA on the subcompacts for GEN4? (it was already dual spring, so I'm wondering what else they did)
Yes, it's not just for Gen4, it's for all sub-compacts. The G26/27 version is marked either 0-8 or 0-8-1 on the base and the G29/30 is marked 0-9 on the base.