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perazzi firing pins

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Posted By Posted Date/Time
mikepacific60 15-Feb-11 - 03:48 AM ET
PerazziBigBore 14-Feb-11 - 12:24 PM ET
mikepacific60 14-Feb-11 - 03:31 AM ET
whiz white 12-Feb-11 - 11:28 PM ET
PerazziBigBore 12-Feb-11 - 10:00 AM ET
JACK 12-Feb-11 - 03:41 AM ET
whiz white 12-Feb-11 - 12:16 AM ET
PerazziBigBore 11-Feb-11 - 07:04 PM ET
trapshooterjoe7 11-Feb-11 - 06:35 PM ET
PerazziBigBore 11-Feb-11 - 04:10 PM ET
Gary Waalkes 16-Jan-11 - 04:23 PM ET
W.R.Buchanan 16-Jan-11 - 03:25 PM ET
bigk 16-Jan-11 - 02:31 PM ET
Tom@eel 15-Jan-11 - 11:16 AM ET
Trapshooter 14-Jan-11 - 10:02 PM ET
whiz white 14-Jan-11 - 09:21 PM ET
Steve W 12-Jan-11 - 12:35 PM ET
atexaspete 12-Jan-11 - 12:21 PM ET
trap-pr 06-Jan-11 - 10:34 PM ET
PerazziBigBore 05-Jan-11 - 11:40 AM ET
Joe Schmo 05-Jan-11 - 10:35 AM ET
bbowen999 05-Jan-11 - 10:17 AM ET
bbowen999 04-Jan-11 - 10:47 PM ET
Steve W 04-Jan-11 - 07:38 PM ET
Champion II 04-Jan-11 - 06:24 PM ET
TOOLMAKER 251 04-Jan-11 - 04:41 PM ET
PerazziBigBore 04-Jan-11 - 04:25 PM ET
bbowen999 04-Jan-11 - 03:59 PM ET
PerazziBigBore 04-Jan-11 - 03:46 PM ET
Steve W 04-Jan-11 - 03:45 PM ET
vpr80 04-Jan-11 - 03:36 PM ET
Steve W 04-Jan-11 - 03:31 PM ET
seitz647 04-Jan-11 - 03:12 PM ET
bbowen999 04-Jan-11 - 03:09 PM ET
bbowen999 04-Jan-11 - 01:17 PM ET
bbowen999 04-Jan-11 - 01:16 PM ET


Subject: perazzi firing pins
From: mikepacific60
Date: Tue, Feb 15, 2011 - 03:48 AM ET
Website Address:

Thanks Mike.

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Mon, Feb 14, 2011 - 12:24 PM ET
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Anything steel that has stress should have a polished edge..removing any sharp surfaces.. I usually polish everything out with a dremel when I'm done.. I own a few files that just eat the web away with a few swipes..saving my grinding wheels for lighter work.. Remember.. don't change the angle.. and keep it clean..

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Subject: perazzi firing pins
From: mikepacific60
Date: Mon, Feb 14, 2011 - 03:31 AM ET
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Hi Whiz,

Thanks for the tip, just to be sure I have this right…do you mean that you slightly round off the new edge where you have filed…ie the new (roughly) 90 degree edge between the face of the hammer (where it actually strikes the firing pin) and the outside of the hammer?

Cheers from Australia,

Mike

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Subject: perazzi firing pins
From: whiz white
Date: Sat, Feb 12, 2011 - 11:28 PM ET
Website Address: http://www.swsupply.com

If you use a file, I highly recommend that you leave a very small radius of the removed area to eliminate a possible fracture point.

Whiz

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Sat, Feb 12, 2011 - 10:00 AM ET
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Remember to really clean the trigger well after removing the web..and get every bit of the abrasive out of the trigger.. I use hot soapy water.. blow dry.. soak in mineral sprits... blow dry.. and then oil.. grease.. and put away..

Personally.. I wish all hammers were upgraded.. and we could kill the older design.. The new design is better.. All it takes is 5 minutes with a dremel too.. or a very hard file..to make it happen..

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Subject: perazzi firing pins
From: JACK
Date: Sat, Feb 12, 2011 - 03:41 AM ET
Website Address:

dremel grinding wheel makes easy work of removing the "web". here is one I altered.

Another view

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Subject: perazzi firing pins
From: whiz white
Date: Sat, Feb 12, 2011 - 12:16 AM ET
Website Address: http://www.swsupply.com

Gary's picture shows the web on the outside of the bottom barrel hammer.

I you were to grind off the web and make it look like my hammer shown above, then you can use ANY firing pin (old style with the notch, or the present firing pins). Never a problem with the web gone.

Incidentally, Bruce Bowen's firing pins are nice! So, if you file off the web, you can use Bruce's pins without a problem.

Thanks, Bruce.

WW

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Fri, Feb 11, 2011 - 07:04 PM ET
Website Address:

Now.. If we could get Bruce to make top levers..for MX series..I bet they would not break..

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Subject: perazzi firing pins
From: trapshooterjoe7
Date: Fri, Feb 11, 2011 - 06:35 PM ET
Website Address:

Just received mine also, excellent quality, I have made a few out of m1 tool steel but the ones Bruce is selling are better. Joe

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Fri, Feb 11, 2011 - 04:10 PM ET
Website Address:

i just received my order from Bruce.. Fantastic quality.. Thanks Bruce

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Subject: perazzi firing pins
From: Gary Waalkes
Date: Sun, Jan 16, 2011 - 04:23 PM ET
Website Address:

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Subject: perazzi firing pins
From: W.R.Buchanan
Date: Sun, Jan 16, 2011 - 03:25 PM ET
Website Address:

I don't understand some of the concerns voiced here about too hard a pin wearing out the hole in the receiver. Is it wearing the hole oblong or is it beating the hole out of shape?

If it is wearing the hole, then why would you TiN coat the pin which makes the outer surface about 78 Rc? It wouldn't make one Iota of difference if the pin was soft or hard, if you coat it with TiN the outside surface where all the wear is taking place is harder than either a soft or hardened pin. The only advantage I can see to a soft outercase on the pin is that maybe it would "deform" instead of beating the hole out? This is hard to understand? Wearing is one thing, deformation is completely different.

Also if the hole was being worn out, the softer steels would charge with foreign matter easier than harder materials, thus promoting wear faster. Wear is not always caused by metal to metal contact, usually there is some kind of abrasive(IE: dirt) involved in the mix too. If the pin was finish ground to a 4-6G finish and then TiN coated the it would be about as slick as it is possible to do. There would be no wearing of the pin whatsoever, and since the hole is soft material all of the wear would be transferred to it. But unless there was dirt involved that should be minimal and surely outlast 1 or 2 or even 300K hits with virtaully no negaticve effects. I realize the hit is off centerline but still isn't there enough bearing surface to offset this. It's hard to believe that a hammer that small could peen much of anything.

Do the holes get a burr pushed out of them? This would indicate peening, if not then it is wear. I don't believe it is both.

S7 goes off at about 63-64 Rc and then you pull it back into the mid to high 50's for toughness. Incidentially this (S7)is the correct material to make anything that gets hit repeatedly out of. The entire S series of tool steels are the most shock resistant steels available hence the "S". And is exactly what I would make these parts out of.

I agree with Steve W the correct fix for this whole issue would be to have a hard sleeve and a hard pin. A simple jig could be made to ream the holes in the receiver to a larger size to acommidate the sleeves. Best of all possible fixes.

Next question: do the hammer pivot holes wallow? They are receiving side loads also.

Incidentially, I was asked 6 months ago to mfg these pins by someone on this board, and I know for a fact several other shops have been approached before me. Please don't act all insulted if more of these parts show up in the near future from different outfits. This is nothing new.

Randy

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Subject: perazzi firing pins
From: bigk
Date: Sun, Jan 16, 2011 - 02:31 PM ET
Website Address:

From SteveW second picture I presume that the bottom picture shows 1. the new hammer and 2. the old hammer?????????????. K

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Subject: perazzi firing pins
From: Tom@eel
Date: Sat, Jan 15, 2011 - 11:16 AM ET
Website Address:

Now I'm confused. Does the new style hammer have the notch in the face?? Gun SN is 110XXX. Mine has LBFP with cutaway. The spare does also.

Tom

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Subject: perazzi firing pins
From: Trapshooter
Date: Fri, Jan 14, 2011 - 10:02 PM ET
Website Address:

S-7 is a very durable steel and would be and excellent choice for a firing pin. There shouldn't be any wear problems if the receiver firing pin holes are in spec and you are using the proper hammers. Perazzi gets a bad rap when people mix old triggers with the new style pins.

Todd

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Subject: perazzi firing pins
From: whiz white
Date: Fri, Jan 14, 2011 - 09:21 PM ET
Website Address: http://www.swsupply.com

Hammer design:

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Subject: perazzi firing pins
From: Steve W
Date: Wed, Jan 12, 2011 - 12:35 PM ET
Website Address:

Here're the pictures of the back of the firing pin and side of the two hammers:

1) The "old" style firing pin for bottom barrel:

2) The "old" & "new" style bottom barrel hammers:

The new style pin doesn't have the cut out on the back as showing in pic. #1, the "old' style hammer will break it.

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Subject: perazzi firing pins
From: atexaspete
Date: Wed, Jan 12, 2011 - 12:21 PM ET
Website Address:

Could somebody take the time to show us the difference in the correct hammers for these new one-piece pins and the difference between the "new" and "old" style hammers.

I've got a buddy that has begun to get "dents" or "dimples" in the faces of his hammers. This might be the reason, but I'd like to see what the differences are.

Thanks, Mike

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Subject: perazzi firing pins
From: trap-pr
Date: Thu, Jan 06, 2011 - 10:34 PM ET
Website Address:

i had a set in my mx2000 there great ron

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Wed, Jan 05, 2011 - 11:40 AM ET
Website Address:

I can address my views on them.. I just ordered 32 from Bruce.. I have no issues with them.. Nothing is perfect..but I have had excellent results with these type of pins for many years.. Bruce is a master of metal.. If he made them.. or Pat Laib.. they are as good as they can be.. I've used them in guns that already had 50,000 rounds or more thru them.. and cared for them for another 50,000/100,000 rounds.. Have not had any issues yet.. Just be SURE to use the right hammer for the style pin you are using.. Hope this helps..

All Good.. Mike

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Subject: perazzi firing pins
From: Joe Schmo
Date: Wed, Jan 05, 2011 - 10:35 AM ET
Website Address:

Message Deleted


Subject: perazzi firing pins
From: bbowen999
Date: Wed, Jan 05, 2011 - 10:17 AM ET
Website Address:

up

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Subject: perazzi firing pins
From: bbowen999
Date: Tue, Jan 04, 2011 - 10:47 PM ET
Website Address:

up

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Subject: perazzi firing pins
From: Steve W
Date: Tue, Jan 04, 2011 - 07:38 PM ET
Website Address:

Message Deleted


Subject: perazzi firing pins
From: Champion II
Date: Tue, Jan 04, 2011 - 06:24 PM ET
Website Address:

Message Deleted


Subject: perazzi firing pins
From: TOOLMAKER 251
Date: Tue, Jan 04, 2011 - 04:41 PM ET
Website Address:

Perazzi has been making the 2 piece firing pin for over 30 years. The first type was a soft outer with a drilled blind hole in it, then the hard center pin was crimped into place. The current style is made from tubing and the hard center pin is crimped into place. The problem with the later pins is the assembly shifts in time, and I have seen at least 6 including my 2000 pins do this. These new style pins started around when the MX-15 came out.

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Tue, Jan 04, 2011 - 04:25 PM ET
Website Address:

Bruce.. You have E-mail..

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Subject: perazzi firing pins
From: bbowen999
Date: Tue, Jan 04, 2011 - 03:59 PM ET
Website Address:

both style lower pins are available.

bb

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Subject: perazzi firing pins
From: PerazziBigBore
Date: Tue, Jan 04, 2011 - 03:46 PM ET
Website Address:

I didn't know Bruce made these.. but Pat Lab did.. I never had any issues with these quality parts..

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Subject: perazzi firing pins
From: Steve W
Date: Tue, Jan 04, 2011 - 03:45 PM ET
Website Address:

vpr80 made a very sensible proposition.

That's exactly what Perazzi did to their current firing pin design, two part pin with hard core inside a soft body.

However, these new generation factory pins needs to match their newer hammers, or it'll create striking problems. People mismatch the pin & hammer will see the breakage problem in a matter of dozen rounds.

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Subject: perazzi firing pins
From: vpr80
Date: Tue, Jan 04, 2011 - 03:36 PM ET
Website Address:

Or create the firing pin with a hard metal core wrapped by a soft metal. This way the core (pointy-end) hits the primer while the outside is soft coming in contact with the receiver.

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Subject: perazzi firing pins
From: Steve W
Date: Tue, Jan 04, 2011 - 03:31 PM ET
Website Address:

To answer the question "Seitz647" asked: "Why couldn't they think of this in Italy?"

Why they went through the extra expenses to make a two part firing pin :

The original Perazzi two part design was based on the theory of,

1) The tip that contacts the primer needs to be very hard, so it'll not wear out (shortened) in time.

2) The body that contacts the firing pin hole and inside receiver can't be too hard (or harder than receiver) to avoid wearing out the receiver (which is an expensive fix).

This creates a somewhat over engineering design that it'll will break if you use the wrong trigger group with non matching hammer in it.

The ideal way is, have hard metal sleeve inside the firing pin hole to match the hard firing pin, but that's another over engineering & costly proposition. :-)

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Subject: perazzi firing pins
From: seitz647
Date: Tue, Jan 04, 2011 - 03:12 PM ET
Website Address:

Now why couldnt they think of this in Italy

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Subject: perazzi firing pins
From: bbowen999
Date: Tue, Jan 04, 2011 - 03:09 PM ET
Website Address:

up

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Subject: perazzi firing pins
From: bbowen999
Date: Tue, Jan 04, 2011 - 01:17 PM ET
Website Address:

forgot to mention price is per pair including springs.

bb

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Subject: perazzi firing pins
From: bbowen999
Date: Tue, Jan 04, 2011 - 01:16 PM ET
Website Address:

perazzi one piece firing pins available. made from s-7 steel and heat treated. free replacement if one breaks. we have sold dozens and to date not one has broken. titanium nitride coated for a pleasing gold color and corossion resistance. inclueded are the return springs.

$45 shipped in usa.

bruce bowen call or e-mail for orders. 605-490-1139

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