HomeGuns & FirearmsHandgunsSemi Auto HandgunsSPRINGFIELD ARMORY ECHELON CENTRAL OPER GROUPSPRINGFIELD ARMORY ECHELON CENTRAL OPER GROUP$284.00 SPRINGFIELD ARMORY ECHELON CENTRAL OPER GROUP Additional information UPC 706397012373 Manufacturer Springfield Armory Manufacturer Part Number EC9900-RET 11 in stock SPRINGFIELD ARMORY ECHELON CENTRAL OPER GROUP quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist