Alg-trigger-kp9 Apr 2026

If you find the trigger for a defensive firearm, you can install the included auxiliary spring to increase the pull weight by about 0.5–1 lb, making it more predictable.

There has been historical debate about the harder ALG hammer "peening" (deforming) the rear of the bolt carrier over thousands of rounds, leading some users to polish or "profile" the hammer face to match the factory geometry. alg-trigger-kp9

It offers an incredibly short and tactile reset, which is why users frequently joke that it "makes your round count deplete quickly". If you find the trigger for a defensive

Installing an ALG AKT trigger in a KP-9 is rarely a "drop-in" experience without minor fitting. Installing an ALG AKT trigger in a KP-9

Some users report constant light primer strikes. This is often solved by ensuring the main spring is properly seated or using the high-tension auxiliary spring provided by ALG.

Once properly fitted, the ALG trigger transforms the KP-9's shooting dynamics: