Dry firing- Slide moves back?

[Rolex]

OK- a new G23, changed out to a SS one piece guide rod, ISMA 15lb. spring, LW (9 mm conversion barrel.

Dry fire- while watching, the slide moves back when pulling the trigger, whats this all about??

Did this 10 out of 10 times. Is the recoil spring to light? This is set up for minor PF reloads.

Never seen this before.

[fuentesd99]

How far back does it move? Your spring weight is fine. Have you changed out to your original barrel and did it do the same thing?

[eric nielsen]

Are you using an extra-power striker spring? The compression force of a very heavy striker spring might overcome even a 15 lb recoil spring.

If the slide just hunches down (toward the bottom of the magazine) without actually sliding back, that's normal.

[Rolex]

How far back does it move? Your spring weight is fine. Have you changed out to your original barrel and did it do the same thing?

Far enough back that its out of battery. Stock spring does not do this, with either barrel.

[Rolex]

Are you using an extra-power striker spring? The compression force of a very heavy striker spring might overcome even a 15 lb recoil spring.

If the slide just hunches down (toward the bottom of the magazine) without actually sliding back, that's normal.

ALL other parts are stock Glock.

[eric nielsen]

Sounds like for that model gun, the ISMI 15-lb is not enough.

I used the ISMI 15-lb on a tungsten rod in my Open Glock project and it was no problem at all.