#html-body [data-pb-style=B27ETWJ]{justify-content:center;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=B27ETWJ],#html-body [data-pb-style=JST8AWD]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}Add more rounds and added weight to your everyday carry or competition P320 magazine with this magazine extension from GRAYGUNS. This magazine extension adds to the overall weight (additional 3.5 oz) of your P320 and reduces felt recoil. In competitions, reloading speed is essential, with the extra size from this baseplate, you can get a better grip of the magazine to speed up reload times. Track each magazine with the 3-by-5 dot matrix located on the bottom of each plate using a permanent marker or paint pen to clearly identify your magazines. Designed to be used only with factory FULL-SIZE and COMPACT 15, 17, and 21 round SIG SAUER P320 magazines, this will not work with CARRY size magazines.Shop SIG SAUER Factory FULL-SIZE and COMPACT P320 Magazines This magazine extension offers: 3.5 oz of additional weight +5 rounds for 9MM P320 Magazines +3 rounds for .40 and .357 SIG P320 Magazines For existing 15 and 17-round magazines, use the factory magazine spring. The magazine spring included is designed to be used with existing 21-round magazines. Sold as a single kit. *Note, this baseplate extension does provide additional capacity to the magazines it is intended for. Note: This is an aftermarket part designed to be compatible with the SIG SAUER P320. SIG SAUER provides no warranty for this item, and expressly disclaims any implied warranties of merchantability and fitness for a particular purpose. Please contact the manufacturer of this item regarding any warranty or service needs. Use of this part may void your SIG SAUER Limited Lifetime Firearms or FCU Warranty