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Question about P245 Parts

487 Views 6 Replies 3 Participants Last post by  Willard
I completely took apart my P245 for cleaning and realized that the hammer has a strange triangle mark on the right side that I do not recall ever seeing on Sig hammers. I have attached a picture of the marking - does anyone know what it means? Also, this hammer seems to be constructed differently from the solid tool steel hammer used on the P228. It seems to have a seam running down the middle and is constructed like a P229 hammer.

Wood Tool Bicycle part Metal Hand tool


Also, does anyone know what the proper grip screws are for this gun? It came with some stainless steel hex screws which seem to be much longer than the standard P229 screws that sig sells.
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That looks like an MIM hammer. I believe the P245 has the same grip screws as a P220, and P225.

If you don’t like the hammer you can swap it out.
Yes the P245 should use the same grip screws as the P220, P225, P230, and P232.

I've not noticed that marking on any Hammers as yet, but yes it's likely MIM, but so are any replacement factory Hammers for the past decade, at least, if not closer to two.
Thank you for the information. So would a P245 have originally been assembled with an MIM hammer at the factory? My pistol was made in 1998.

Also, is the P245 hammer the same as that on the P220? Is that hammer identical to a P228 hammer?
Thank you for the information. So would a P245 have originally been assembled with an MIM hammer at the factory? My pistol was made in 1998.

Also, is the P245 hammer the same as that on the P220? Is that hammer identical to a P228 hammer?
I wouldn't think so, but then so much depends on it's heritage. If triple serial numbered, and made/proofed in Germany I would expect to have machined tool steel Hammer and Sear. If assembled here, then possibly they used MIM parts that early. as not sure of their timeline for MIM use.

My 2 P220s from that period, as well as my P228 were all DAOs originally, so I don't have a close comparison.
I wouldn't think so, but then so much depends on it's heritage. If triple serial numbered, and made/proofed in Germany I would expect to have machined tool steel Hammer and Sear. If assembled here, then possibly they used MIM parts that early. as not sure of their timeline for MIM use.

My 2 P220s from that period, as well as my P228 were all DAOs originally, so I don't have a close comparison.
The pistol is not triple serial numbered - serial number is only present on the frame. However, the barrel is date coded to 1998, and the magazine floorplate and grips are also dated 98 in the molding. The frame is marked "made in Germany" and the slide does have the German eagle over N acceptance stamp. This is an example of an early all German p245 made in 1998.

Any idea where to find one of these tool steel hammers? Are they identical to a common p220 hammer?
The pistol is not triple serial numbered - serial number is only present on the frame. However, the barrel is date coded to 1998, and the magazine floorplate and grips are also dated 98 in the molding. The frame is marked "made in Germany" and the slide does have the German eagle over N acceptance stamp. This is an example of an early all German p245 made in 1998.

Any idea where to find one of these tool steel hammers? Are they identical to a common p220 hammer?
Not with any guarantee, since MIM Hammers have been around for so long, likely from your example maybe close to 25 years. Watching ebay, and possibly watching the "kits" available on Gun Broker, you also have to remember the early P220s used non-rebounding Hammers from inception in 1976 until around 1993, but any early P226/P228/P229 Hammer is essentially the same rebounding Hammer as used later after 1994 on P220s.

Even Numrich, with their "used" Hammers, is no guarantee you would get a non-MIM OEM Hammer.
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