Smith & Wesson Forum

Go Back   Smith & Wesson Forum > Smith & Wesson Revolvers > S&W Revolvers: 1980 to the Present
o

Notices

S&W Revolvers: 1980 to the Present All NON-PINNED Barrels, the L-Frames, and the New Era Revolvers


Reply
 
Thread Tools Display Modes
  #1  
Old 09-12-2010, 05:43 PM
surfgun surfgun is offline
Member
 
Join Date: May 2009
Location: OC
Posts: 502
Likes: 198
Liked 287 Times in 158 Posts
Default Cast parts compatibility?

I was going to replace a forged serrated trigger on a M25-3, with a cast smooth trigger (for faster D/A shooting) and found they are not compatible (lacks the three pins around the pivot point) so it would not accept the hand spring from the old trigger). Does anyone know the percentage of cast parts not compatible with the old forged parts in S&W revolvers? This has not been an issue with the 3rd Gen. Automatics (that I know of).
Reply With Quote
  #2  
Old 09-12-2010, 11:52 PM
Alk8944's Avatar
Alk8944 Alk8944 is online now
Member
Cast parts compatibility? Cast parts compatibility? Cast parts compatibility? Cast parts compatibility? Cast parts compatibility?  
Join Date: Jan 2007
Location: Sandy Utah
Posts: 8,591
Likes: 1,548
Liked 8,536 Times in 3,431 Posts
Default

S&W revolvers do not have any cast parts! They are fabricated by Metal Injection Molding (MIM), which is not a casting process.

With he exception of the screws, mainspring and rebound slide spring there is virtually no interchangeability between forged and MIM guns. In the early MIM guns, where only the trigger and thumbpiece were MIM the triggers were interchangeable. Once they re-designed the lockwork to all MIM, and added the IL and the frame-mounted firing pin, interchangeability pretty well ended.

This applies to the lockwork, not the yoke, cylinder and associated parts.
Reply With Quote
Reply

Tags
model 25, serrated, thumbpiece

Thread Tools
Display Modes

Posting Rules
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Shield & mp F'S parts compatibility? tbird Smith & Wesson M&P Pistols 4 08-28-2015 01:48 PM
S&W K-frame parts compatibility? HDS S&W-Smithing 3 06-16-2011 10:43 AM
686 parts compatibility Rimbaud S&W-Smithing 1 04-29-2011 01:23 AM
Cast parts compatibility w/older S&W's surfgun S&W Revolvers: 1961 to 1980 3 09-13-2010 12:43 AM

Powered by vBadvanced CMPS v3.2.3
smith-wessonforum.com tested by Norton Internet Security smith-wessonforum.com tested by McAfee Internet Security

All times are GMT -4. The time now is 06:05 AM.


Smith-WessonForum.com is not affiliated with Smith & Wesson Holding Corporation (NASDAQ Global Select: SWHC)