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Smith & Wesson S&W Recoil Spring Outside OEM - 108660000 Part 108660000

Smith & Wesson Multi-Model Compact Pistol Recoil Spring (Outer) — New OEM Part 108660000

$6.99

Smith & Wesson Multi-Model Compact Pistol Recoil Spring (Outer) — New OEM Factory Part

Factory new OEM external (outer) recoil spring for multiple Smith & Wesson 3rd generation compact semi-automatic pistols in .40 S&W and .45 ACP. This genuine S&W replacement part (part #108660000) works with the inner recoil spring in a dual-spring system to ensure proper recoil management and reliable slide cycling. A worn or weakened outer spring can cause feeding issues, short recoil, and erratic ejection.

Specifications

  • Part Number: 108660000
  • Manufacturer: Smith & Wesson
  • Part Type: Recoil Spring (Outer / External)
  • Calibers: .40 S&W, .45 ACP
  • Generation: 3rd Generation Compact / TSW
  • Spring System: Dual-spring (inner/outer) — this is the outer spring
  • Condition: Factory New OEM

Model Compatibility Chart

Model Caliber Series Compatibility
Model 4516 .45 ACP 3rd Gen Compact ✓ Compatible
Model 4054 .40 S&W 3rd Gen Compact ✓ Compatible
Model 4513TSW .45 ACP 3rd Gen TSW Compact ✓ Compatible
Model 4553TSW .45 ACP 3rd Gen TSW Compact ✓ Compatible
Model 4013TSW .40 S&W 3rd Gen TSW Compact ✓ Compatible
Model 4053TSW .40 S&W 3rd Gen TSW Compact ✓ Compatible
Model 457, 457D .45 ACP 3rd Gen Economy ✓ Compatible
Model 4006, 4043, 4046 (full-size) .40 S&W 3rd Gen Full-Size ⚠ Verify fit — full-size recoil system
Model 4506, 4513, 4526 (full-size) .45 ACP 3rd Gen Full-Size ⚠ Verify fit — full-size recoil system
CS40 (Chief's Special) .40 S&W 3rd Gen Compact ⚠ Verify fit — CS series
CS45 (Chief's Special) .45 ACP 3rd Gen Compact ⚠ Verify fit — CS series
M&P Series (all) Various Modern ✗ Not compatible — striker-fired

Important Notes

  • This listing is for the outer recoil spring only. Inner recoil spring (part #108670000), guide rod, and associated parts are sold separately.
  • >li>This outer spring is part of a dual-spring recoil system used in compact 3rd generation S&W pistols. It works together with the inner spring — replace both springs as a set for best results. >li>Compact pistols use a different recoil spring system than full-size models. This outer spring is specifically for compact/TSW variants — verify your model before ordering. >li>A worn outer spring can cause feeding issues, short recoil, and erratic ejection. Replace at first sign of cycling problems. >li>Installation requires field stripping. Always function test after installation to ensure reliable operation. >li>All Smith & Wesson factory parts are subject to availability and may require backorder processing.

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