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A small black metal hammer block part displayed on a clear stand in front of a white paper label that reads 'Smith & Wesson Revolver N Frame Model 28 Highway PatrolMan .357 Magnum Hammer Block, Black Old Style Used Part Part# 28120A USA Guns And Gear.

S&W Model 28 Highway Patrolman .357 Magnum Hammer Block, Black 28120A

$5.99

Factory OEM Smith & Wesson original old-style hammer block safety for N-frame revolvers. Finished in black, this genuine used replacement part ensures proper hammer clearance and safety engagement during action cycling.

  • Brand: Smith & Wesson

  • Part Type: Hammer Block Safety

  • Part Number: 28120A

  • Condition: Used, Original Old-Style Factory OEM

  • Finish: Black

  • Frame Size: N-Frame

  • Caliber: .357 Magnum / .38 Special

  • Compatibility: Smith & Wesson Model 28 / Model 28-2 Highway Patrolman and standard S&W post-war N-frame revolvers (e.g., Model 27, 29, 57, 629 sharing old-style sideplate hammer block lockwork).

Product Organization

  • Type: Hammer Block

  • Vendor: Smith & Wesson

  • Collections: S&W N Frame Model 28 Highway Patrolman Used Parts, Gun Parts, Revolver Parts, Smith & Wesson Parts

Tags Smith & Wesson, S&W, Model 28, Highway Patrolman, N Frame, Hammer Block, 28120A, .357 Magnum, Used Gun Parts, OEM Parts, Revolver Parts

SKU & Barcode

  • SKU: 28120A

  • Barcode: [Leave blank]

Compatible Models

  • Smith & Wesson Model 28 Highway Patrolman

  • Smith & Wesson Model 28-2 Highway Patrolman

  • S&W N-Frame Revolvers (.357 Mag, .44 Mag, .45 ACP, .38 Special) using standard sideplate-guided old-style hammer block assemblies

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