Smith & Wesson M&P 9mm / .40 S&W Sear Housing Block Assembly, Compact & Standard
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Smith & Wesson M&P 9mm / .40 S&W Sear Housing Block Assembly, Compact & Standard

Code: MP940-SHBA
Ratings Snapshot
3.0
out of 5
5 (0)
4 (0)
3 (1)
2 (0)
1 (0)
Would recommend this product.
0%

$28.99


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Product Description

•••••

Description: Smith & Wesson M&P 9mm / .40 S&W Sear Housing Block Assembly, Compact & Standard. This factory original sear housing block assembly is designed for the M&P 9 and 40 Compact or Standard pistol model chambered in either 9mm or .40 S&W. These assemblies include the sear housing block, sear, sear deactivation lever, ejector, pins and springs. Available models include a magazine safety (421970000/393120000), manual safety mechanism (423420000) or manual safety with the safety lever (423870000). Component parts are made from matte blued and polished steel. The assembly is the perfect drop-in replacement for use in emergencies or to keep as a spare. Proudly made in the USA.

All Assemblies Include:

  • Sear Housing Block
  • Sear
  • Sear Deactivation Lever
  • Pins / Springs

Available Configurations

CODE MAGAZINE SAFETY MANUAL SAFETY SAFETY LEVER
MP940BLOCK-1 - - -
3000444 ✔ [Gen1] - -
421970000 - -
393120000 -
423420000 - -
423870000 -

Magazine Safety Note:
The difference between the Older Gen1 Magazine Safety curled design and the Current Straight mag safety are only visual as they still achieve the same function and work interchangeably.

Models Fit:

  • M&P 9
  • M&P 9 Compact
  • M&P 40
  • M&P 40 Compact

Manufacturer: Smith & Wesson

Note: It is recommended that all Smith & Wesson parts be installed by a qualified and trained gunsmith.

PRODUCT SPECIFICATIONS:

  • Brand: Smith & Wesson
  • Caliber: 9mm,.40 S&W
  • Finish / Color: Matte Blued
  • Firearm Type: Pistol
  • Material: Steel
  • Models Fit: Smith & Wesson M&P,Smith & Wesson M&P Compact

Specifications

•••••
  • Brand: Smith & Wesson
  • Caliber: 9mm,.40 S&W
  • Finish / Color: Matte Blued
  • Firearm Type: Pistol
  • Material: Steel
  • Models Fit: Smith & Wesson M&P,Smith & Wesson M&P Compact

Customer Ratings & Reviews

•••••
1
Ratings Snapshot
3.0
out of 5
5 (0)
4 (0)
3 (1)
2 (0)
1 (0)
Would recommend this product.
0%
3.0
out of 5
5 (0)
4 (0)
3 (1)
2 (0)
1 (0)
Would recommend this product.
0%
1 Total Reviews
Not compatible with pre October 2010 M&P models.
3 out of 5
Brad
Location: Sherman, Texas
Date: August 8, 2021
S&W changed their sear housing block assemblies in October 2010. One noticeable difference is that the sear return spring went from 1/16" diameter to 1/8" diameter. These new blocks will not drop into a pre October 2010 model.
1 Total Reviews