This is a Timney Triggers Trigger, model 602.
The Timney Browning A-Bolt Spring Kit consists of two springs that will reduce your trigger's weight of pull. Easy to install. Includes 1.5-2 lb. and 2-3 lb. springs.
Features:
Trigger Spring Kit
Fits Browning A-Bolt
1.5-2 lb. and 2-3 lb. Springs