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Announcing our new Coil Spring Speed Hammer KIT for S&W (N-Frame) available from TK Customâ„¢

Adjustable spring tension from 6.5 to 9 lbs. to insure detonation of ALL brands of primers.

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This KIT was designed as a replacement hammer system using a coil spring, for Performance Center N-Frame revolvers (Model 929 - 627, 327, etc.). The Hammer is designed with the original S&W design & shape, sear and stirrup found on the Performance Center hammers. Manufactured of tool steel by wire EDM and CNC machined, then heat treated to (50 Rockwell hardness). Gunsmith fitting is required/recommended.