This Wilson Combat 19 lb hammer spring is a reduced power mainspring recommended for full-size (Government, Commander, Professional) 1911s in 9mm, .38 Super or .45 shooting light target loads. Springs are under tension, so wear eye protection during disassembly.
- Brand: Wilson Combat
- Part number: 27
- Fits: full-size 1911 (Government, Commander, Professional)
- Weight: 19 lb
- Calibers: 9mm, .38 Super, .45 with light target loads
- Material: steel
