SIG P320 Magazine Base Pads
$20.00
Hard-duty replacement base pads for your SIG Sauer® P320. Designed to be repeatedly dropped on concrete or asphalt hundreds of times, they are a perfect upgrade for the OEM plastic base pads.
These base pads are backward compatible with all P320 modules, including the standard and xSeries, with or without the extended magwell installed. Select the Extended Magwell Version for use with a magwell. Ensure you read the description and Fit Guide below.
Two versions available
- Standard Version – Designed for the XSeries without the magwell. It also works with the P320 module.
- Extended Magwell Version – Designed for the full-size magazine in an XSeries with the magwell. It also works with 21-round magazines and fits the standard P320.
Discount available when you buy three or more base pads! ($18.50 each) The discount is shown in the cart before checkout.
Custom laser marking is available for your base pads. First, add your base pads to your cart, then click here to customize your laser marking!
Description
Designed for hard-duty use, the custom Grayguns SIG Sauer P320 magazine base pads are manufactured from 6061 Aluminum and professionally finished with MIL-A-8625 Type III anodized coating. In addition, the base pads go through a glass-beading process to provide a flat-black finish.
Appropriate for competition and shooting enthusiasts looking for a quality, durable upgrade.
The base pad is the same thickness as the OEM SIG base pad. We’ve streamlined them in multiple areas. A relief cut on the sides enhances malfunction drills and allows for effective one-handed reloads using the belt or holster.
The cut mirrors the P320 OEM modules and creates a cut for the xSeries modules.
Each pad features a 3-by-5 matrix. Number your mags using a Sharpie or paint pen. Additional space is available to write your initials.
Our base pads are compatible with our P320 Laser-Sculpted Grip Modules and Laser-Sculpted P320 Tungsten-Infused Grip Module.
Backward compatible with all versions of P320 modules, including the standard and xSeries, with or without the extended magwell installed.
P320 Base Pad Fit Guide
IMPORTANT—In 2024, SIG changed the “wing flanges” where base pads slide onto the magazine’s base. This increased the overall width by three-hundredths of an inch. Our base pads are made to exacting standards, and they will not fit on the newer magazines without alteration to the magazines.
Please check the width of your magazines at the wing flange, as shown in the photos. If it is about .9350, you are good to go. If it is .9650, the magazines will need to be fitted. Our next batch (release date to be determined) of base pads will be designed to fit both widths.
Magwells
With the large selection of aftermarket grip modules and magwells available for the P320, it is difficult to know if our base pads will work with modules and magwells from other manufacturers.
- Our Extended Magwell Version does not fit the P320 grip modules from Wilson Combat.
P320 Magazine Base Pad Versions
- Standard Version – Designed for the XSeries without the magwell. It also works with the P320 module.
- Extended Magwell Version – Designed for the full-size magazine in an XSeries module with the magwell. It also works with 21-round magazines and fits the standard P320.
P320 Magazine Base Pad Weights
- Standard Version – 10.1 grams
- Extended Magwell Version – 26.9 grams
Base pads are compatible with new SIG P320 magazines with square pegs. (See product photos.)Â Do you have the base plates with the round peg? If yes, you’ll need to purchase a P320 Inner Base Plate – Square Peg for each of your magazines.
Additional information
| Shipping Weight | N/A |
|---|---|
| Shipping Dimensions | N/A |
| Options | Single Base Pad, Single Base Pad (Ext. Magwell) |
| Brand | Grayguns |
| Manufacturer | Grayguns |
Variation SKUs
| Variation | SKU | Stock Status |
|---|---|---|
| Options: Single Base Pad | BPD-SIG-32X-HDS | In stock |
| Options: Single Base Pad (Ext. Magwell) | BPD-SIG-32X-HDE | Out of stock |
48 reviews for SIG P320 Magazine Base Pads
| 5 star | 95% | |
| 4 star | 2% | |
| 3 star | 2% | |
| 2 star | 0% | |
| 1 star | 0% |
SIG P320 Magazine Base Pads
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Disclaimer
Many parts sold by Grayguns - including but not limited to triggers, trigger kits, internal components and spring kits - are intended for installation by a qualified armorer or gunsmith who is familiar with the firearm.
Although kits fit with no issues in a great majority of pistols, Grayguns cannot guarantee perfect functionality in every instance.
Due to varying tolerances present in all mass-produced firearms, professional fitting by a qualified armorer who is familiar with the pistol's action may be required.
Grayguns offers installation services for all parts kits we offer. If you have any issues or questions about the installation process, STOP IMMEDIATELY and contact the Grayguns Customer Service Team.
They work great with my 17 round mags since Sig decided to make a Mag well that doesn’t work with the mags provided with the gun when purchased. The Extended Magwell base pads worked perfectly. They load smooth and eject the same way. They definitely work with the P320 AXG Magwell. I have an AXG classic with the sig magwell and It’s not quite a flush fit but there is just barely enough to get a hold of to pull them out. That hasn’t been an issue for me, as they fall free every time even when empty. I really like the dimples on the end of the plate so you can number them and also keep track of your mags with other people around that have the same base plates. They are almost too nice to want and drop them out on the range but they will definitely serve their purpose!
Got the slightly extended base pads to fit the XFIVE frame with magwell. These have a precise fit, solid feel and look great.
Very happy.
Excellent feel and finish. Very tight to install. I had to oil the channel to get the base to slip onto the magazine. These are brand new out of the box Sig magazines.
Great product and happy with my purchase. Looking to replace the base on my 21rd soon.
Great fit and finish! Shipped quickly. Ext. Magwell on M1811 Module is perfect length. Thanks Gray Guns