National distributor Zanders of Sparta, Illinois added Springfield Armory Echelon 9mm COG serialized cores to its inventory for firearms dealers. Compatible grip modules, slides and barrels let buyers configure compact 4.0C, 4.0FC or 4.5F pistols using OEM and aftermarket parts. The all-women-owned company, serving U.S. dealers over 50 years, lists availability at gzanders.com.