07-10-2011, 05:49 PM
It is an old SP-1 . It has functioned flawlessly in .223 mode (still does).
I should add this is a Bill Wylde build with a Kreiger Barrel so the .223 upper isn't really a SP-1 anymore.
I should add this is a Bill Wylde build with a Kreiger Barrel so the .223 upper isn't really a SP-1 anymore.
