Glock 19 Gen 3 vs Gen 4 Differences - Wing TacticalExplore further
The Gen 4 is the first of the Glock 19 Generations to use a larger, dual-recoil spring guide rod. That is evident when looking straight at the muzzle, there is a bigger hole that you cannot miss. Oh, by the way, do make sure the weapon is cleared before doing this, you do not want to become a statistic .
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