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G43/K43 rear recoil spring. Precision replacement spring for reliable bolt return and smooth cycling.
The G43/K43 Rear Recoil Spring is one of the two recoil springs used in the rifle's telescopic recoil system. Working together with the front recoil spring, it absorbs the rearward movement of the bolt assembly and provides the force required to return the bolt carrier forward, chambering the next cartridge.
After many years of use, the spring can weaken through repeated compression, resulting in sluggish bolt movement or inconsistent cycling. Replacing the rear recoil spring helps restore the original spring tension, improving reliability and ensuring smooth operation of the complete bolt assembly.
Manufactured from high-quality spring steel and produced to precise specifications, this G43/K43 Rear Recoil Spring offers an accurate fit, excellent fatigue resistance, and a long service life. It is an ideal replacement for maintenance, repair, or the complete restoration of your G43 or K43 rifle.