P320 +5 Competition Base Pads
Looking for Hard Duty Use base pads for your SIG Sauer® P320 that will fit an extra five rounds of 9mm? These base pads work with 15, 17 and 21 round P320 9mm magazines. Use your stock magazines springs for the 15 and 21 round magazines, but use the included Wolff Spring for use with the 17-round magazines. For details on .40 and .357 SIG capacity, view the Fit Guide below.
These custom Grayguns base pads have been built for competition, military and law enforcement use. Designed to be repeatedly dropped on concrete or asphalt hundreds of times, they are a perfect upgrade for the OEM plastic pads.
Backwards compatible with all versions of P320 modules, including the standard and xSeries with or without the extended magwell installed. Does not include a magazine.
Also available in a heavy (3.1 ounce) brass version.
Discount available when you buy three or more base pads! ($40 each) The discount is shown in the cart prior to checkout.
Designed for hard-duty and competitor use. Our custom Grayguns SIG Sauer P320 9mm Plus 5 magazine base pads are manufactured from 6061 Aluminum. Professionally finished with MIL-A-8625 Type III anodized coating. Pads go through a glass-beading process to provide a flat-black finish.
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.
Backwards compatible with all versions of P320 modules, including the standard and xSeries with or without the extended magwell installed.
For those with .40 and .357 SIG magazines. these extended base pads will be plus three instead of plus five. With aftermarket followers, you may be able to get plus four.
- UPSPA Length – The 17-round magazines with our +5 base pads will fit the 141.25 mm size limit for Limited and Carry Optics
- No base plate is required as the back plate (shown) is used to hold the base pad in place.
- The last round is pretty tough to load on the 17-round magazines, we suggest you use a loader. The 15 and 21-round magazines are easier to fully load.
- These aluminum base pads weigh 1.2 ounces.