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Smith & Wesson MP902 Smith & Wesson Pistol M&P Locking Block  Used Part 9mmc S&W Part 000000000

Smith & Wesson M&P 9mm Compact Locking Block Used – Part# MP902

$12.99

Smith & Wesson M&P 9mm Compact Locking Block – Used

Part Number: MP902  |  Condition: Used (Factory Original)  |  Caliber: 9mm

Restore your M&P 9 Compact to factory-correct function with this genuine Smith & Wesson locking block. The locking block is a critical component that locks the barrel into battery during firing and provides a centralized point of contact for trigger components — it also channels the takedown lever to lock in during assembly. Proper fit and function are essential for safe and reliable operation.

  • Part Number: MP902
  • Fits: Smith & Wesson M&P 9 Compact (9mm)
  • Caliber: 9mm
  • Condition: Used – factory original S&W part
  • Installation: Gunsmith fitting recommended

Compatibility Note

This locking block is specific to the M&P 9mm Compact. It is not interchangeable with the full-size M&P 9, .40 S&W, or .45 ACP M&P locking blocks. If you are unsure of compatibility, contact us with your model and serial number.

Factory Replacement Quality

Genuine Smith & Wesson factory parts are manufactured to the exact specifications and tolerances of the originals — same materials, same dimensions, same reliable function.

Professional gunsmith installation recommended. Some parts may require fitting.

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