Install to mod_overrides requires BEARDLIB

-6 Magazine
-16 Total Ammo
+212 Damage
-8 Stability
-Ammo pickup 2.02 | 3.04 (-1, -1.5)

I suggest using also
Gadgets and Sights for Repeater 1874: https://modworkshop.net/mod/20733
Repeater Hipfire Fix: https://modworkshop.net/mod/20142