Samson Manufacturing's +1 Magazine Extension not only allows you to carry more ammo, it also aids in your ability to clear malfunctions.

• Fits M&P®9 SHIELD™ & M&P®9 SHIELD M2.0™
• Provides +1 capacity on both 7 rd and 8 rd factory magazines.
• Designed to drop free without catching on the shooters hand
• Relief cuts to aid in extracting magazine to clear Type III (double-feed) malfunctions and for one handed malfunction clearing.
• Leading edge is contoured to facilitate one-handed reloads and act as a finger groove.
• Uses factory magazine spring.
• Replacement base plate retainer designed to ensure positive feeding using the factory magazine spring.