Key Features:
- Manufacturer: Smith & Wesson
- Model: 400, 4013, 4056, 4516, 457
- Product Type: Recoil Spring, Inner
- Weight: 0.01 lbs
- Unique Features: Easy installation, enhances firearm longevity
- What's In The Box: Recoil Spring, Inner
| __Capacity | NA |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |
| __Model | NA |
| __Caliber | .40 S&W |