Factory Glock OEM recoil spring assembly — the dual-spring captive rod that ships in every Glock 26, Glock 27, Glock 33, and Glock 39 subcompact. Gen 1 through Gen 4 fitment. This is the same part Glock installs at the factory, so it drops in cleanly without tuning the slide or extractor and restores the original recoil cycling spec on a worn pistol.
Fits:
Why replace it: the OEM recoil spring is a wear part. After 3,000–5,000 rounds the dual-spring assembly softens, brass starts ejecting closer, and the slide can over-travel. A fresh factory rod is the cheapest reset for a subcompact 9mm or .40 that suddenly feels snappier than it used to. Install is a stock takedown with no fitting — pull the old rod, drop the new rod in, reassemble.
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