Guide rod spring weight. | Glock Firearms
2019-10-23 · Competitive shooters want a recoil spring weight that is very light, so the slide does not pull the gun down when it moves forward, but sometimes it doesn't go fully in to battery either. On the other hand, if the spring weight is heavier, the slide may not go back far enough, long enough to eject the one round and pick up the new round.
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