Proto-X 3D

05/25/2026

Thank you 🇺🇸

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05/24/2026

In observance of Memorial Day, all current orders will be shipped on Tuesday, May 26th. We appreciate your patience and hope everyone has a safe Memorial Day weekend! 🇺🇸

05/22/2026

🚨New product alert🚨 Savage/Stevens 301 owners rejoice!
Our +1 Side Saddle Shell Holder, a very easy to install, snap on 1UP shell holder available for your Savage - Stevens 301 in 20 GA and 410 GA as well as left or right-handed configurations. All shell lengths will work.
We have perfected the fit and finish of this model so that it fits extremely well to the natural contour of the 301 and you don't need tools to install it. You will not have to worry about it falling off in the heat of the moment or losing a cartridge on your way to your spot. The material used is extremely UV resistant as well as tough and impact resistant in all weather conditions. If you need a durable and sleek looking shell holder that allows you to quickly and naturally chamber another shell as fast as possible, look no further.
Price: $19.99 + shipping
Ships from Kentucky
https://www.etsy.com/listing/4509451774/savagestevens-301-1-side-saddle-shell

05/21/2026

Savage/Stevens 301 owners - We would to celebrate the shipping of our very first online orders from Etsy! A huge thank you to all that took a chance with our shell holders without seeing any reviews first, you will not regret it!
https://www.etsy.com/shop/ProtoX3DP

05/15/2026

Our first product is officially available for purchase!
Making our debut is the +2 Side Saddle Shell Holder, a very easy to install, snap on 2UP shell holder available for your Savage - Stevens 301 in 20 GA and 410 GA as well as left or right-handed configurations. All shell lengths will work.

We have perfected the fit and finish of this model so that it fits extremely well to the natural contour of the 301 and you don't need tools to install it. You will not have to worry about it falling off in the heat of the moment or losing a cartridge on your way to your spot. The material used is extremely UV resistant as well as tough and impact resistant in all weather conditions. If you need a durable and sleek looking shell holder that allows you to quickly and naturally chamber another shell as fast as possible, look no further.

Price: $19.99 + shipping
Ships from Kentucky
https://www.etsy.com/listing/4507483666/savagestevens-301-2-side-saddle-shell

05/15/2026

Welcome to Proto-X 3D.

Built in the mountains of Southeast Kentucky and proudly Made in the USA, Proto-X 3D was founded on one simple idea: create high-quality, purpose-built products that are engineered to perform.

Every part we design and produce is built with precision, tested for real-world use, and made with a commitment to durability, reliability, and craftsmanship. We believe quality matters — from the first prototype to the final print.

This is just the beginning.

We’re currently developing and refining products with many more releases on the horizon. Whether it’s innovative functional designs, custom solutions, or future product launches, Proto-X 3D is dedicated to pushing forward.

Follow the page to stay updated on:

• New product releases
• Behind-the-scenes design and testing
• Development updates
• Custom project showcases

Proto-X 3D
Precision Designed. Purpose Built. Made in USA.