ISMI – 10 Pound 1911 Government Recoil Spring

ISMI 10 lb 1911 Government Recoil Spring

Smooth, Reliable Cycling for Light Target and Competition Loads

The ISMI 10 lb 1911 Government Recoil Spring is an excellent choice for shooters running light target ammunition, competition loads, or reduced‑power setups in full‑size 1911 pistols. When standard recoil springs prove too stiff, this lighter spring allows the slide to cycle smoothly and consistently. As a result, your pistol maintains dependable operation with softer‑shooting ammunition.

Because light loads generate less recoil energy, a factory‑weight recoil spring may fail to drive the slide fully rearward. Consequently, feeding, ejection, and overall slide travel can become inconsistent. This 10 lb recoil spring solves that issue by promoting full slide movement, clean feeding, and reliable ejection. Therefore, your Government‑length 1911 functions properly shot after shot.

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Premium Materials for Consistent Performance

ISMI manufactures this recoil spring from high‑quality chrome silicon wire. Compared to standard spring materials, chrome silicon offers superior resistance to heat, fatigue, and deformation. As a result, the spring maintains its intended rate longer and delivers consistent performance over extended use.

In addition, ISMI’s precise manufacturing process ensures smooth compression and predictable recoil behavior, which is especially important for competition and precision shooting.

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Why Use an ISMI 10 lb Recoil Spring?

A 10 lb recoil spring is ideal when reliable function with light ammunition is the priority. Specifically, it provides:

• Smooth cycling with light or reduced‑power loads

• Reliable feeding and consistent ejection

• Faster follow‑up shots due to reduced recoil impulse

• Less effort required when racking the slide

• Predictable operation for target and competition shooting

Because the spring rate is lighter, the slide moves more freely. As a result, short‑stroking is reduced and overall control improves. At the same time, felt recoil softens, helping shooters maintain accuracy and reacquire targets more quickly.

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Key Features & Benefits

• 10 lb recoil spring for light‑load 1911 setups

• Designed for Government‑length (5″) 1911 pistols

• Ideal for competition and target shooting

• Promotes smooth cycling with soft ammunition

• Reduces effort when racking the slide

• Made from premium chrome silicon wire

• Resists fatigue, heat, and spring set

• Delivers long‑lasting, reliable performance

• Backed by trusted ISMI quality

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Compatibility

• Fits Government‑length 1911 pistols (5″)

• Works with factory and aftermarket guide rods

• Best suited for light target and competition loads

Note: Not recommended for full‑power or +P ammunition.

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Recommended Use

For optimal results, use this recoil spring with light or reduced‑power ammunition. Additionally, pairing it with an extra‑power firing pin spring is recommended to maintain proper ignition safety. For continued reliability, replace recoil springs every 5,000 to 10,000 rounds, or sooner under heavy use.

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Summary

The ISMI 10 lb 1911 Government Recoil Spring offers a simple and effective way to tune a full‑size 1911 for light ammunition. By combining a reduced spring rate with durable chrome silicon construction, it delivers smooth slide cycling, reliable feeding, and easier operation. As a result, it is an excellent choice for competition shooters and range enthusiasts who demand consistent performance from their pistol.