Prodigy Recoil Spring – Flat Wire – 12 Pound – Commander (4.25″)
Factory-Matched Recoil Control for the Springfield Armory Prodigy
Keep your Springfield Armory Prodigy 4.25″ Commander running smooth, predictable, and reliable with this ISMI 12 lb flat wire recoil spring. First and foremost, ISMI manufactures this spring as the exact replacement for the EGW SA Prodigy Commander guide rod kit. Because it is the same spring that ships with the EGW guide rod, you receive a true factory match with no guesswork.
Moreover, by using the correct recoil spring weight, you preserve proper slide timing and consistent lockup. As a result, your Prodigy continues to perform as designed, even as round counts increase.
Flat Wire Spring Design
Smoother Cycling and Extended Service Life
Unlike traditional round-wire recoil springs, this flat wire design spreads stress across a larger surface area. Therefore, it resists fatigue and spring set far more effectively. In turn, this design delivers smoother slide movement and more consistent recoil control over time.
Additionally, because the spring maintains its tension longer, your pistol cycles cleanly through high round counts. Consequently, feeding, ejection, and return to battery remain consistent shot after shot.
Optimized 12 lb Spring Weight
Balanced Performance for 9mm Commander Pistols
The 12 lb spring weight serves as the ideal all-around option for 9mm Prodigy and Commander-length 1911 pistols. Because it balances recoil control with easy slide movement, it supports:
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Smooth and reliable feeding
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Consistent slide speed and timing
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Faster follow-up shots
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Stable lockup and accuracy
Therefore, this spring works exceptionally well for general range use, training, competition, and duty-style ammunition.
Exact Fitment Requirements
Designed for Full-Length 1/4″ Guide Rod Systems
To ensure proper function, this recoil spring fits only:
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Commander-length 1911 pistols
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Full-length 1/4″ diameter guide rods
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Springfield Armory Prodigy 4.25″ (9mm)
However, it does not fit standard-diameter guide rods or GI-style short recoil systems. Accordingly, verifying your guide rod setup before installation is essential.
ISMI Manufacturing Quality
Built for Consistency and Reliability
ISMI manufactures this recoil spring in the USA using high-quality materials and controlled production processes. Because ISMI focuses on spring consistency and durability, each spring delivers repeatable performance across extended use.
As a result, you benefit from reduced maintenance intervals, predictable recoil behavior, and long-term reliability.
Recommended Use and Maintenance
Keep Your Prodigy Running at Its Best
For optimal performance, this recoil spring is best used with:
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9mm Prodigy and Commander-length 1911 pistols
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Regular recoil spring replacement intervals of 5,000–10,000 rounds
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Standard slide disassembly procedures
Additionally, pairing this recoil spring with a quality firing pin spring further enhances reliability and maintains proper ignition timing.
Summary
The Correct Factory Replacement Spring
In conclusion, the ISMI 12 lb Flat Wire Prodigy Recoil Spring is the correct factory replacement for the EGW Prodigy 4.25″ guide rod kit. Because it delivers smooth cycling, extended spring life, and consistent slide timing, it keeps your Prodigy running like new.
Ultimately, if you want dependable performance, proper recoil control, and long-term durability from your Commander-length 9mm 1911, this is the spring to use.





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