Welcome to Duncan's Gunworks

San Marcos, CA


From personal defense to hunting season, Duncan's Gunworks has you covered.  We stock a full line of handguns, shotguns, rifles, ammo, optics, knives, flashlights, safes, hunting gear and accessories and aim to be your one stop shop for your next adventure.  Be sure to like, follow and share us on your favorite social media platform.

About Us

Contact Us

Better yet, see us in person!

We would love to see you during normal business hours.

Duncan's Gunworks

1619 Grand Ave, San Marcos, California 92078, United States

(760) 727-0515


Open today

09:00 am – 05:00 pm

Drop us a line!