The ProMag SMIA21 magazine is engineered to provide reliable ammunition feeding for your Smith & Wesson M&P Compact .22 LR pistol. This unit integrates seamlessly with the firearm’s design, ensuring consistent performance for training, recreational shooting, or competitive applications.
Key Features
Optimized Capacity
This magazine offers a 12-round capacity for .22 Long Rifle ammunition, providing an appropriate balance of capacity and compact profile for the M&P platform.
Robust Construction
The SMIA21 features a blued steel body, precision-formed for structural integrity and corrosion resistance. An injection-molded polymer follower and a heat-treated chrome silicon wire spring are utilized to facilitate smooth, consistent cartridge presentation.
Platform Compatibility
Specifically designed for the Smith & Wesson M&P Compact series chambered in .22 LR, this magazine ensures precise fitment and reliable function within the specified firearm models. Its design prioritizes operational reliability, mitigating common feeding issues associated with substandard magazines.
Technical Specifications
- Manufacturer: ProMag
- Model: SMIA21
- Caliber: .22 Long Rifle (.22 LR)
- Capacity: 12 Rounds
- Compatibility: Smith & Wesson M&P Compact .22 LR Pistols
- Body Material: Blued Steel
- Follower Material: Injection-Molded Polymer
- Spring Material: Heat-Treated Chrome Silicon Wire
- Finish: Blued









