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Perazzi Firing Pins

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jbailey

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Discussion starter · #1 ·
I need some help identifying the firing pins in the photo below. All pins are Perazzi.

1. The bottom pin is from an MX2000 RS Combo. It's the top barrel pin and measures 1.150 on the overall length. That much I know.
2. The middle pin measures 1.193 O.A.L. and I have no idea what it fits but maybe a TM1/TMX ?
3. The pin on the top measures 1.166 O.A.L. and again no idea. Pins #2 and #3 were paired together.

Not pictured is the bottom barrel pin for the MX2000 which measures 2.159.

Any ideas what fits what?
Image
 
#4 ·
Top pin is old style Bottom barrel pin for any MX 12 gauge frame. The rebate at the back was there for the old style webbed hammer design. It can also be used with the new style hammers
Middle pin is TM as Ed identified it
Bottom pin is Top barrel pin for any MX 12 gauge frame
 
#8 ·
TOOLMAKER 251 said:
View attachment 1180513 These pins are new old stock for the older MX triggers that had webbed bottom barrel hammers. Top pin is for top barrel and measures 1.170". Bottom pin is for bottom barrel and measures 1.257". The later MX pins will be the same size or close.
Click to expand...
Thank you for the picture.

That's what I mean about #3 is too short for MX bottom pin.

Or it could be a pin from a DC gun.
 
#9 ·
Perazzi Mx firing pins are not the same size. The top is shorter than the bottom...picture tool maker has posted.

Number one and number 3 pins both appear to be top bbl firing pins...but...are both pin from the Perazzi factory. Some of the non-factory pins I've run into tend to have very inconsistent dimensions. Not only in the lengths, but also with the notch locations.
 
#10 ·
Only lately Perazzi has be making firing pin in house, that's why you see firing pins with a different notch position (depend who made it).
About the lenght, in the past, Perazzi changed the dimensions couple or three times, maybe to use the one little bit short when the gun has a coil spring hammers (without rebound)
 
Discussion starter · #11 ·
What length firing pins are used in the MX10 20 gauge guns ( small frame)?. I had one but sold it ( bad move on my part ). I double checked the length of the top pin in my picture and 1.166 is correct but it sure looks like a bottom barrel pin the way it is cut and every other bottom barrel pin I have measures about 1.257. Were the older top barrel hammers webbed or just the bottom?
 
#12 ·
jbailey said:
What length firing pins are used in the MX10 20 gauge guns ( small frame)?. I had one but sold it ( bad move on my part ). I double checked the length of the top pin in my picture and 1.166 is correct but it sure looks like a bottom barrel pin the way it is cut and every other bottom barrel pin I have measures about 1.257. Were the older top barrel hammers webbed or just the bottom?
Click to expand...

Only the bottom pin had a clearance cut for the webbed hammer.
 
#13 ·
When I replace a new style firing pin into the receiver with a trigger with the old style hammer with the webbed hammer I remove the web from the hammer, the old hammer with the web removed is now like the new style hammer. This works for me.
 
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