SwordNArmory.com provides a variety of swords that cater to both collectors and enthusiasts, but customization options may vary depending on the specific item. Generally, many swords in their collection are designed to be authentic reproductions or functional pieces that represent historical accuracy, and thus may not offer extensive customization. However, for certain products, options such as personalized engravings, selection of materials, or unique blade finishes might be available. It is essential to explore the specific product pages, as they often contain detailed descriptions about the availability of customization features. Customers can also find information regarding any potential custom orders or modifications in the respective sections of the website. If you are interested in a particular sword or have specific customization requests in mind, it may be beneficial to review the product information on the current web page for further details regarding what is achievable.