Description
The Plus 4 Base Pad for the Sig Sauer P226 delivers a clean, four-round capacity increase for your standard .40S&W magazines. Designed for shooters who demand every round counts in competition or on the duty belt, this upgrade transforms your reloads and gives you the edge when the timer is running or the situation is fluid.
Each base pad adds four additional rounds, bringing your standard P226 .40S&W magazine to its optimized capacity. Installation is straightforward—no gunsmithing or specialized tools required. The base pad snaps into place with a secure fit, maintaining the magazine’s reliability under high-speed reloads and adverse conditions. Once installed, the magazine seats fully and functions with the same smooth feeding you expect from your P226.
Key features and benefits:
- Increased capacity by four rounds — Gives you more firepower between reloads, critical for competition stages or extended training sessions.
- Dimpled bottom surface — Provides tactile identification so you can distinguish these extended magazines from standard ones by feel alone, even in low light or under stress.
- Simple, tool-free installation — Swap your existing base pad in minutes. No modifications to the magazine body or spring required.
- Durable polymer construction — Built to withstand repeated drops, range abuse, and daily carry. The material matches the factory magazine’s toughness.
- Compatible with standard .40S&W P226 magazines — Works with the original Sig Sauer factory magazines you already own. No need to buy new magazines.
This base pad is specifically designed for the Sig Sauer P226 chambered in .40S&W. It is not compatible with 9mm P226 magazines or other pistol models. For shooters running the P226 in USPSA, IDPA, or tactical training, the added capacity means fewer reloads and more time on target. On the duty rig, the extra four rounds can make the difference during prolonged engagements or when backup is not immediate.
Fitment: Works with factory Sig Sauer P226 .40S&W magazines. Does not fit 9mm, .357 SIG, or aftermarket magazines without modification. Tested for positive lock-up and consistent feeding with standard-pressure and +P .40S&W ammunition.
Important: This product cannot be shipped to California, Oregon, Rhode Island, or Washington due to state capacity restrictions. Check your local laws before ordering.
At $45, this is a direct upgrade that puts more rounds in the fight without the cost of new magazines. Serious shooters know that capacity is a tactical advantage—this base pad delivers it with no




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