This extended capacity magazine base pad adds three rounds to standard-capacity 9mm magazines for the Smith & Wesson SD and SDVE pistols, and two rounds to .40 S&W magazines. It replaces the factory floor plate to provide additional magazine capacity without altering the magazine body or follower. The bottom surface is dimpled for quick tactile identification in low-light or stress situations.
Compatibility
- Smith & Wesson SD (9mm and .40 S&W)
- Smith & Wesson SDVE (9mm and .40 S&W)
- Smith & Wesson SD 2.0 Series 16-round magazines
- Smith & Wesson Sigma series pistols (Sigma, SWVE, Sigma “C”, “F”, “VE”)
- Caliber-specific: select 9mm for +3 capacity, .40 S&W for +2 capacity
Key Features
- Increases magazine capacity: +3 rounds (9mm), +2 rounds (.40 S&W)
- Dimpled base pad surface for tactile identification
- Direct replacement for factory floor plate
- No modification to magazine body or follower required
- Uses existing magazine spring
Install Difficulty: 1/5
Requires a punch or small flathead screwdriver to depress the magazine spring retainer. No permanent modification to the magazine. Estimated install time: 5 minutes per magazine.
FAQ
Will this work with my SDVE 9mm factory 16-round magazine?
Yes. This base pad is designed for the factory 16-round 9mm SD/SDVE magazine and will increase capacity to 19 rounds.
Does this require a different magazine spring?
No. The stock factory spring works with this base pad. No aftermarket spring upgrade is necessary.
Does this fit Sigma-series magazines?
Yes. This base pad is compatible with Sigma, SWVE, and Sigma “C”/”F”/”VE” series magazines. Select the correct caliber option for your magazine.
Shipping: Ships within 1 business day. Warranty: This component carries a limited lifetime warranty against defects in materials or workmanship. Note: Not available for shipment to California, Oregon, Rhode Island, or Washington.
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