Rock Island users have asked us for a custom basepad to match our "Fattie" magwell ever since we brought it out. This is that basepad.
+4 capacity in 9mm (3 in .40) for 21+1 performance!
Legal for USPSA, 3-Gun competition (meets the 140mm rule)
Works with TF "Fattie" magwell and RIA factory magwell.
Uses the stock spring
Includes modified Arredondo Accessories insert for jam-free function beyond 18 rounds
Due to state department restrictions we cannot ship this product outside the United States.