S&W M&P .25" Basepad by Springer Precision S&W M&P .25" Basepad by Springer Precision M&P 9/40 extended base pads are CNC machined from aluminum and hard anodized. This lengthens the magazine .25" to make for easier, more reliable magazine changes. They are perfect for IDPA ESP and... MSRP: Was: Now: $19.50 - $25.00 Choose Options