Differences in A&H Breech Hooks

Coueswhitetail · Sep 24, 2024

Just received my 1:66" A&H Mountain Rifle barrel in the mail today and was surprised to find it doesn't quite go into place in my rifle when I swap this new barrel for my 1:28" barrel (not to mention having a damaged rear sight). I've attached photos but it would appear that the breech hooks are ever so slightly off, so I am unable to insert my barrel wedge key into the stock due to around 1/8" of the eyelet on the new barrel hanging into the wood inlet in my stock (in other words the eyelet on the barrel is just a bit too far forward for the wedge to fit through). In removing the barrels to compare, it would appear the new barrel (on the right), has its hook mounted just a bit lower than the breech hook on the original barrel. Is there a way I can remedy this via using a thinner stand-in key or somehow modify the breech plug? Thank you.

M. De Land · Sep 28, 2024

Coueswhitetail said:
Just received my 1:66" A&H Mountain Rifle barrel in the mail today and was surprised to find it doesn't quite go into place in my rifle when I swap this new barrel for my 1:28" barrel (not to mention having a damaged rear sight). I've attached photos but it would appear that the breech hooks are ever so slightly off, so I am unable to insert my barrel wedge key into the stock due to around 1/8" of the eyelet on the new barrel hanging into the wood inlet in my stock (in other words the eyelet on the barrel is just a bit too far forward for the wedge to fit through). In removing the barrels to compare, it would appear the new barrel (on the right), has its hook mounted just a bit lower than the breech hook on the original barrel. Is there a way I can remedy this via using a thinner stand-in key or somehow modify the breech plug? Thank you.

View attachment 350835 View attachment 350836

That's pretty common with breech hooks and will require a bit of spot fitting and filing to mate them up to use the same wedge. I used spotting grease to indicate where the proud steel was to be filed to fit.
Possibly the same impact that messed up the rear sight was responsible for the ill fitting breech hook.

Coueswhitetail · Sep 30, 2024

M. De Land said:
That's pretty common with breech hooks and will require a bit of spot fitting and filing to mate them up to use the same wedge. I used spotting grease to indicate where the proud steel was to be filed to fit.
Possibly the same impact that messed up the rear sight was responsible for the ill fitting breech hook.

Good to know, thank you! So are you saying I just need to file the eyelet on the barrel that the wedge fits through to make sure it's a tight fit? I'll also note that the rear of the barrel is just a bit "proud" above the rear of the action that it mates to, included is an example photo of the area I'm talking about, but do I need to be concerned about that at all? Essentially the barrel is either a bit bigger than or otherwise just sitting a bit high at the rear of the action.

Differences in A&H Breech Hooks

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Differences in A&H Breech Hooks

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