Underhammer Issue…need help

[longcruise]

I googled the insurance question and got this.

Either the sender or the recipient can file a USPS claim for insured mail that is: lost, arrived damaged, and missing contents.

To file a claim, you must:

• Have the original mailing receipt
• File within the time period
• Include proof of insurance, value, and damage
• • Log into your USPS account

You can file a claim online at www.usps.com/domestic-claims. You can also request a claim form by calling 800-ASK-USPS (800-275-8777).

Here are some things to keep in mind when filing a claim:

• • You must keep evidence of insurance until the claim is resolved.
    
  • You can save entered information without submitting it for up to 3 days.
    
  • The time limit for filing a claim depends on the type of service:
    
    • • Damaged or missing contents: File immediately, but no later than 60 days from the date of mailing
        
      • Insured Mail (includes Ground Advantage and Priority Mail): 15 to 60 days
        
      • Priority Mail Express: 7 to 60 days
        
      • Priority Mail Express International (PMEI): File after 3 days
        
      • Priority Mail International: File after 7 days
        
      • Registered Mail: File after 7 days

 

[Sam squanch]

It won’t be that expensive to have the barrel breech cut off and re threaded, these are simple actions. It would be cheaper than an emergency room bill. Find a muzzleloading gunsmith.

 

[smokepolehall]

That is a screw up on whom ever built it. BP is 5/8-18 up to 15/16" barrel I believe & 3/4-16 bigger barrel. Pecatonica has H&A UnderHammer BP's. Mine are the set screw style but can be drilled n pinned. The barrel threads are mess n poorly threaded, not enough threads on BP. Looks like some of the homemade BP i have saw made from bolts!

 

[nhmoose]

The pin will come out by hitting the small end of the pin with a big hammer. action needs to be supported well before trying. Threads in the barrel are galled because it was unscrewed when attached to the action by the pin.

I would get a new breech plug and cut the barrel back for new breech threads it will have to have the nipple repositioned and a new thread for that.

You need a Black powder gunsmith IMHO.

 

[MDH]

Then, you should file I guess. Apparently I was misinformed.


That looks right but hard to tell from the picture. Someone who owns the same action might be able to confirm.

I have used a lot of H&A actions for various projects and that is NOT a H&A breech plug. First, their breech plug extensions are not threaded to the action, they are a slip fit with th tapered pin or set screws engaging the extension. There should not be a threaded portion exposed. Second, the extension should be tapered to clear the hammer arm internally. Third, some of the very early ones did have a shim washer between the barrel and action. Third, it appears someone may have threaded your action to screw the barrel in instead of using a tapered pin or set screws. If the action is not threaded breech plugs should be available from Deer Creek. If it is threaded a machinist may be able to drill out the threads and create a new oversized breach plug. The machinist option will probably cost more than the rifles cost should have been. DEFINITLY NOT A SHIPPING PROBLEM.

 

[TommyKid]

That is a screw up on whom ever built it. BP is 5/8-18 up to 15/16" barrel I believe & 3/4-16 bigger barrel. Pecatonica has H&A UnderHammer BP's. Mine are the set screw style but can be drilled n pinned. The barrel threads are mess n poorly threaded, not enough threads on BP. Looks like some of the homemade BP i have saw made from bolts!

I was on their site and saw lots of H&A parts, but no BPs. I emailed them to enquire. I assume they have them since they sell the actions with them installed. Thanks

 

[TommyKid]

When in doubt, use a bigger hammer. Here’s the breech plug.

 

[hawkeye2]

Correct me if I’m wrong, but in this position, the pin should be driven out from left to right?

You are right and It probably will take quite a whack with a hammer to start it.

New old stock breech plugs do show up on eBay from time to time as well as other parts.

Cutting the breech end of the barrel off will bring the nipple back resulting in the hammer overreaching.

 

[2 shots]

It looks like someone milled interrupted threads in the barrel to make a takedown rifle and did not finish the project. Needless to say, that is NOT what I would consider as "perfect" condition and is NOT the result of a shipping issue.

funny i was thinking the same thing[ reminded me of my 97 win. take down].but then said naw no body would do that. bubbaized

 

[TommyKid]

When in doubt, use a bigger hammer. Here’s the breech plug.

So, is this a H&A breech plug or not?

 

[smokepolehall]

I was on their site and saw lots of H&A parts, but no BPs. I emailed them to enquire. I assume they have them since they sell the actions with them installed. Thanks

They have set screw newer model. The BP n barrel you have has been a home-made hack job n will take some time & repairs to clean up & fix.

 

[TommyKid]

They have set screw newer model. The BP n barrel you have has been a home-made hack job n will take some time & repairs to clean up & fix.

To use the newer model BP, am I right in assuming the existing pin holes will need to be threaded?

 

[MDH]

To use the newer model BP, am I right in assuming the existing pin holes will need to be threaded?

Not necessarily. I have filled a few with a tight fitting roll pin, flush on each side of the plug.

 

[TommyKid]

Not necessarily. I have filled a few with a tight fitting roll pin, flush on each side of the plug.

Sorry for my ignorance. Do the newer breech plugs require drilling or is there already a hole for a pin? I can’t seem to find a photo of one.

 

[longcruise]

From the Pecatonica web site. It's looks like the receiver is pretty drilled for a pin or for set screws.

Maybe drill and tap the existing pin holes on yours?

 

[MDH]

I was on their site and saw lots of H&A parts, but no BPs. I emailed them to enquire. I assume they have them since they sell the actions with them installed. Thanks

Try Pecatonica, they also sell kits and parts.

From the Pecatonica web site. It's looks like the receiver is pretty drilled for a pin or for set screws.

Maybe drill and tap the existing pin holes on yours?

View attachment 371838

Pic is deceiving, could be a pin hole more likely a set screws hole. There would be 3 of them, top and both sides

 

[11Bravo]

Here is a picture of an original 58 cal. tapered pin plug. I keep the original 58 H&A barrel and plug when I fitted a special H&H made 58 barrel to my UH.

 

[longcruise]

Here's the full picture of the Pecatonica parts set. No pins or set screws in sight so the plug is probably already pinned or screwed.

 

[TommyKid]

Here's the full picture of the Pecatonica parts set. No pins or set screws in sight so the plug is probably already pinned or screwed.

View attachment 371841

On the site it says, when you’re buying the complete action, that the breech plug is installed. From other posts, I thought the plug stays with the barrel?

 

[longcruise]

On the site it says, when you’re buying the complete action, that the breech plug is installed. From other posts, I thought the plug stays with the barrel?

It's installed in the action but you still have to fit it to the barrel. It remains in the barrel permanently.