Rival Arms stainless steel guide rod assembly for Glock 43, 43X, and 48 — CNC-machined 17-4 stainless rod with a tuned recoil spring that replaces the OEM polymer guide rod. Adds muzzle weight where the slim-frame Glocks need it most and drops in with no fitting.
The added forend weight reduces felt recoil and helps the front sight track flatter under quick double-taps. Spring rate is matched to the factory carry load and runs reliably with standard or +P 9mm 124 gr defensive ammo.
Break in with 100 rounds of standard 9mm before relying on the new spring for carry duty. Pair with a 3CR slide completion kit if you are also refreshing the recoil channel and firing pin assembly on the same slide.
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