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Smith & Wesson MP4502D Smith & Wesson Pistol M&P 45 Locking Block Used Part 2.0 S&W Part 000000000

Smith & Wesson M&P 45 2.0 Locking Block Used – Part# MP4502D

$12.99

Smith & Wesson M&P 45 2.0 Locking Block – Used

Part Number: MP4502D  |  Condition: Used (Factory Original)  |  Caliber: .45 ACP

Restore your M&P 45 2.0 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 — proper fit and function are essential for safe and reliable operation. The M&P 2.0 features updated internal geometry compared to the original M&P — use only 2.0-specific parts for proper fit.

  • Part Number: MP4502D
  • Fits: Smith & Wesson M&P 45 2.0
  • Caliber: .45 ACP
  • Condition: Used – factory original S&W part
  • Installation: Gunsmith fitting recommended

Compatibility Note

This locking block is specific to the M&P 45 2.0. It is not interchangeable with the original M&P 45 (MP4502/MP4502A/MP4502C), 9mm, or .40 S&W variants. 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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