Welcome to JCS Weapon Designs

A veteran owned/operated company and your source for high quality firearm parts and accessories as well as custom engraving needs specific but not limited to firearms. We’re dedicated to giving you the very best of our products with a focus on dependability, customer service and preciseness. Founded in 2018 by Duane Smith a veteran of the United States Marine Corps, JCS Weapon Designs LLC has come a long way from its beginnings in a small home office in Palm Bay, Florida. When we first started out, our passion for firearms and the interest in customizing them drove us to and gave us the impetus to turn hard work and inspiration into to a booming online store. Owning a small family business is a dream wanted turned to reality. We now serve customers all over the United States. We hope you enjoy our products as much as we enjoy offering them to you. If you have any questions or comments, please don’t hesitate to contact us.

Custom Engraving

Your Favorite Images

Custom AR15 Mag

Next-generation impact and crush resistant polymer construction
Modified dimensions allow for wider compatibility with non Colt-spec platforms
Constant-curve internal geometry for smooth feeding

Custom Magazine AR10 25RD Window

Designed specifically for SAAMI-spec ammunition, the PMAG 25 LR/SR also features transparent MagLevel™ windows to allow rapid visual identification of approximate number of rounds remaining.

Custom AR10 20RD Magazine

Designed specifically for SAAMI-spec ammunition, the PMAG 20 LR/SR is less than half the weight of standard issue steel magazines and maintains a service life round count approximately equal to the rifle barrel itself.

Custom Pistol Designs


Slide Engraving

We can engrave anything from text to full pattern designs on your slide

Glock Frame Laser Stippling

Choose from our many available patterns or we can customize a new one for you

Frame Modifications

We specialize in trigger undercuts, double undercuts and finger groove removal or enhancement


Custom Patterns

Unique & Eye Catching

Your Favorite Patterns

JCS only works with top quality products to ensure our clients recieve a product that not only looks great, but performs great as well. We work with only industry leading companies to ensure your weapons perform well long into the future.

Design your next Glock frame, slide, trigger, or magazine in any of your favorite patterns for a one of a kind unique design.

Custom Glock Triggers


Product items



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Palm Bay, Florida

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