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OM Converted vs New Model - Transfer Bar Question

This is a discussion on OM Converted vs New Model - Transfer Bar Question within the Ruger Single Action forums, part of the Pistol & Revolver Forum category; The revolver on the left is my NMV Talo Birdshead .45 ACP. The revolver on the right is my 1968 OM 3-Screw BH .30 carbine ...


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Old April 10th, 2017, 05:36 PM   #1
 
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OM Converted vs New Model - Transfer Bar Question

The revolver on the left is my NMV Talo Birdshead .45 ACP.

The revolver on the right is my 1968 OM 3-Screw BH .30 carbine (factory converted to transfer bar system at some point during its life).



Both revolvers are at the full cock firing position.

Please note the height of the transfer bars in relation to the firing pins.

To those who have much more knowledge here than I do...

Is that the correct position for the transfer bar to be at full cock on the CONVERTED OM BH???

When simulating firing on the OM BH by slowly letting the hammer down with the trigger pulled and held back I can see that the transfer bar only rises a little bit and at the time of contact with the hammer face the firing pin is only 1/2 covered by the transfer bar. Is this normal? (actual dry-fire shows the firing pin protruding thru the frame properly)

Simulating firing the same way on my NMV .45ACP the transfer bar completely covers the firing pin at the time of contact with the hammer face.

Perhaps this is the way all converted OM BH's are???

Or is there something wrong with mine?

Is my firing pin apt to break in this condition? Or maybe the transfer bar might break?

Calling all experts...




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Old April 10th, 2017, 05:57 PM   #2
 
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transfer bar is in proper position and it is good to see another old model converted. I do not own a shooting old model or colt style revolver. only colletible non shooters
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Old April 10th, 2017, 06:19 PM   #3
 
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Try getting a picture with the hammer held back but with the trigger pulled back in the fired position. The transfer bar should rise a little with the trigger pulled.

Does your gun function normally otherwise? The few converted Three Screw models I've handled had very bad actions, often skipping a chamber during rotation. I've un-converted all that have come into my possession.

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Old April 10th, 2017, 06:22 PM   #4
 
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Ideally more of the firing pin would be covered by the transfer bar, but what you are seeing is not uncommon. So long as the trransfer bar allows adequate transfer of the hammer blow to dependably ignite the primers, it's good. Not wonderful, perhaps, but good.

That said, I "unconvert" any corrupted Old Models I am lucky enough to rescue. For my own use. Not for those scared of them.

Bwinters if you are not competent to safely handle a non-converted Old Model it's a good thing you avoid them. Thank you for considering our safety.

Last edited by Ale-8(1); April 10th, 2017 at 06:25 PM.
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Old April 10th, 2017, 06:28 PM   #5
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Hossbreed44, Your OM is pretty normal. The transfer bar is directly coupled to the trigger so viewing it in the "hammer cocked" position really doesn't tell you much. Hold the hammer then pull the trigger all the way back. The transfer bar should then raise and cover enough of the firing pin to detonate primers when struck.

With your NM, it is also normal .... if the hammer moves forward without pulling the trigger (ie dropping the gun), the transfer bar will drop down and disengage from the firing pin. You can simulate by cocking and holding the hammer, pull the trigger just enough to release the sear, then release the trigger. As you lower the hammer, the transfer bar should move down far enough to miss the firing pin.
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Old April 10th, 2017, 07:23 PM   #6
 
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Quote:
Originally Posted by Bob Wright View Post
Try getting a picture with the hammer held back but with the trigger pulled back in the fired position. The transfer bar should rise a little with the trigger pulled. Bob Wright



Transfer bar raised just a bit but still doesn't cover firing pin totally.

I guess it is what it is...

Thanks everyone!
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Old April 10th, 2017, 09:39 PM   #7
 
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I prefer unmolested Rugers.
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Old April 10th, 2017, 10:00 PM   #8
 
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Quote:
Originally Posted by rcslotcar View Post
I prefer unmolested Rugers.
Oh trust me.....SO DO I!!!

This converted OM .30 was bought in an auction - a comedy of errors so to speak.

Another NOT CONVERTED OM .30 was purchased outright by me during that auction timeframe. I found it online after my bid was made on the converted one and I really thought that I would be outbid......SURPRISE!!!

Anyway, this one is up for sale now.

I have the OM parts to UN-convert it but I think I'll just sell it as is and save my OM parts for another gun if needed...
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Old April 11th, 2017, 05:14 AM   #9
 
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Quote:
Originally Posted by Hossbreed44 View Post
I have the OM parts to UN-convert it but I think I'll just sell it as is and save my OM parts for another gun if needed...
Excellent plan!

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Old April 11th, 2017, 09:32 AM   #10
 
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Yea save the expensive parts for a gun you'r going to keep.
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