Additional information
| MUP - 1 | BUILDERS KIT (NO MUP-1 OR JIG), COMPLETE BUILD KIT (Everything Start to Finish), Full Build Kit (NO JIG), X Change Kit (NO LPK, MUP-1, JIG) |
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$699.99 Original price was: $699.99.$549.99Current price is: $549.99.
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JSD Supply offers some of the best firearm build kits. The X Compact Build Kit is an ideal Sig Sauer compatible P320 compact kit designed with concealed carry in mind. Thanks to the modular design of the P320, you can select several centerfire calibers for your kit. The X Compact Kit, grip module, and magazine allow you to easily customize your handgun for a unique piece.
Included in each X Compact kit:
With a build kit from JSD, you’ll get all of the Sig P320 parts you need without the hassle. They allow you to customize your own Sig Sauer compatible handgun in your garage with only a few simple tools and are the perfect DIY solution. You can customize your firearm while learning the assembly and function of your weapon too.

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.