JSD Supply is your source for high-quality custom gun parts for some of the most popular firearms on the market that save you money without compromising on performance. From OEM-quality replacements to aftermarket upgrades that help you shoot better, you’ll find just what you need to create the perfect hunting, tactical, or self-defense weapon for your shooting needs. We’re proud to help gun owners build a weapon that shoots better. Whether you’re repairing a well-used weapon, upgrading your latest purchase, or building a gun from the ground up, we can help you find the balance between budget and badass.
We carry a range of parts and accessories to modify, refit, and upgrade some of the most popular commercial and homemade firearms on the planet, including Glocks, Sig Sauer, Polymer 80s, and so many more. From pistol internals to precision optics, performance barrels, and custom trigger groups for your favorite guns, there’s something for any gun owner who expects more from their weapon.
Whether shooting is a hobby, a lifestyle, or a professional discipline your life depends on, you need your firearm to perform under pressure. We’re proud to offer a range of gun parts to help Second Amendment enthusiasts from all walks of life build better firearms. From parts that help you get more reliable function to the gun accessories that just make shooting more fun, you’ll know you’re getting quality. At JSD Supply, we’ve always believed in every American’s right to quality firearms, and we’ve worked tirelessly to engineer, produce, and source the best parts and accessories on the market for legal firearms owners, hobbyists, and professionals.
As I’m sure you have heard by now, our industry and your rights are under attack by our own government officials. In an effort to help preserve our freedoms and continue bring you the quality products you’ve become accustomed to, we are selling a JSD Branded T-shirt to help fund the battle with those trying to force legislation without a vote. Click this button to find out more.
The right to keep and bear arms is a fundamental part of America’s freedoms, and that includes the ability to build, fix, and customize your own firearms for personal use. We provide the gun parts that let you carry on this tradition in the comfort of your own home, garage, or workshop without compromising on quality or breaking the bank. Our gun parts are completely legal under federal law and don’t require a background check to ship directly to your front door. While some states may have laws that limit the types or quantities of gun accessories and parts you’re permitted to own, we work hard to make sure you have access to the top legal parts you need that keep you hitting the mark at the range. We try to let you know when a part isn’t available in your area, but always make sure you know your local firearms laws for your own protection.
We do more than just sell the parts and accessories you need for your firearms. We’re also active in the national Second Amendment community, working hard to protect your rights to legal firearms and shooting supplies. JSD Supply will help you stay informed about pending legal issues, find the best ways to take action both nationally and locally and help you protect yourself from those who want to trim away our rights to self-defense. If you’re a patriotic American, JSD Supply is ready to help you defend yourself with a firearm built with quality gun parts and the knowledge to keep and bear it better.
JSD is the home of quality gun parts and kits. We know they work because we use them. And if they don’t work for you, we’ll refund or replace them. It’s that simple.
Whether you’re glamming up your Glock, souping up your Sig, or customizing your Colt 1911, we’ve got you covered with precision gun parts and accessories you can count on. Browse our selection by brand, build your order, and let’s make shooting fun again. Order your parts and accessories from JSD Supply today.
Red dot footprints like RMR, RMSc, and ACRO determine which optic actually fits your pistol slide. This guide explains each footprint in plain language and shows you how to match slides, plates, and optics so you avoid costly mounting mistakes.
Pistol red dots only help if they’re properly zeroed. This guide explains what zero means, how to pick a practical distance, and a simple, ammo‑saving process to get your pistol dot dialed in with confidence.
The right accessories can make your home defense firearm more effective when it counts. This guide covers practical upgrades that boost visibility, control, and confidence.