Simply send an email to email@example.com and tell them about how you enjoy their products and ask for some stickers!
I received this response, and 3 days later these stickers arrived!
“Thank you for taking the time to let us know that you enjoy our products. I put some promotional items in the mail for you today!
Smith & Wesson values all of its consumers and are happy to have assisted you to the best of our ability today. Please do not hesitate to contact us should you require further assistance.”