This trigger spring will yield a 12 lb trigger pull. All models. If you want the heaviest trigger pull possible this is the one for you.
Fits Glock Gen 1-4 models 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, and 39
Item Nr.: 135-7412
