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<  16ga. Ammunition & Reloading  ~  boss copper plated bismuth in fixed choke belgien A-5
doppelflinte
PostPosted: Sat Jan 20, 2024 6:12 pm  Reply with quote



Joined: 27 Aug 2008
Posts: 58
Location: Austin, TX

Hi folks,
is the "Boss" brand copper plated bismuth safe to shoot in a vintage belgian browning A-5 with fixed choke?
thanks,
Scott
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skeettx
PostPosted: Sat Jan 20, 2024 6:31 pm  Reply with quote
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Location: Amarillo, Texas

What is the choke?

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DUKFVR
PostPosted: Sat Jan 20, 2024 7:33 pm  Reply with quote



Joined: 27 Aug 2020
Posts: 87
Location: SE TX Marsh and Young County Tx

Yes it is safe in any constriction. Just like lead.
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doppelflinte
PostPosted: Sun Jan 21, 2024 4:05 pm  Reply with quote



Joined: 27 Aug 2008
Posts: 58
Location: Austin, TX

choke is modified, thanks guys.
Scott
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doppelflinte
PostPosted: Sun Jan 21, 2024 4:05 pm  Reply with quote



Joined: 27 Aug 2008
Posts: 58
Location: Austin, TX

choke is modified, thanks guys.
Scott
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Old colonel2
PostPosted: Sun Jan 21, 2024 6:56 pm  Reply with quote



Joined: 07 Jun 2020
Posts: 224

I have used boss copper plated bismuth through both modified and full choke in vintage side by sides without issue
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Builder
PostPosted: Mon Jan 22, 2024 2:49 pm  Reply with quote



Joined: 21 Mar 2013
Posts: 111
Location: Northern New Jersey

We know copper won't hurt barrel walls on old guns from late 1800's.
Do we know if Bismuth will not harm barrel walls on old guns?
Do we know if Bismuth will increase pressure over the same lead loads?

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WyoChukar
PostPosted: Fri Jan 26, 2024 9:42 pm  Reply with quote



Joined: 16 Jul 2015
Posts: 2124
Location: Hudson,Wy

Bismuth isn't hurting the barrels on my old Parker, and they're Damascus.

Chamber pressure is determined by load recipe, not shot type. You can load a variety of pressure levels with a variety of shot types. Choose data compatible with your gun.

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Old colonel2
PostPosted: Sat Jan 27, 2024 4:15 pm  Reply with quote



Joined: 07 Jun 2020
Posts: 224

Builder wrote:
We know copper won't hurt barrel walls on old guns from late 1800's.
Do we know if Bismuth will not harm barrel walls on old guns?
Do we know if Bismuth will increase pressure over the same lead loads?


Bismuth is safe for use in vintage guns.

As a sound rule one should use tested data.

Substituting Bismuth for lead using lead data is unnecessary. There is plenty of 16ga Bismuth data out.

Using the same weight of bismuth as lead will result in greater load volume and will likely change the pressure generated.


Last edited by Old colonel2 on Sat Jan 27, 2024 4:19 pm; edited 1 time in total
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Old colonel2
PostPosted: Sat Jan 27, 2024 4:17 pm  Reply with quote



Joined: 07 Jun 2020
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Duplicate
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Builder
PostPosted: Sun Jan 28, 2024 1:10 pm  Reply with quote



Joined: 21 Mar 2013
Posts: 111
Location: Northern New Jersey

Thank you both. Silly question. I should know better.

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Old colonel2
PostPosted: Sun Jan 28, 2024 1:56 pm  Reply with quote



Joined: 07 Jun 2020
Posts: 224

Better to ask, than hold back
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DUKFVR
PostPosted: Wed Jan 31, 2024 7:21 am  Reply with quote



Joined: 27 Aug 2020
Posts: 87
Location: SE TX Marsh and Young County Tx

Builder wrote:
Thank you both. Silly question. I should know better.


There are no silly or dumb questions if you don't know the answer!!
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bmarks
PostPosted: Fri Feb 09, 2024 10:58 am  Reply with quote



Joined: 21 Jan 2018
Posts: 18
Location: Kansas

Do y'all order the Boss loads with lower muzzle velocities (less pressure) ?

I know that i mainly shoot lead loads out of my older shotguns that are generally less than 1200fps muzzle v.

Boss loads are advertised as hotter than that
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Citori16
PostPosted: Fri Feb 09, 2024 9:36 pm  Reply with quote
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Joined: 19 May 2006
Posts: 309
Location: Too far south in New England

I would if I was buying for my vintage guns, but I reload. Lower velocity is about keeping the wood safe. Lower pressure is about keeping you safe. Not every low velocity load is low pressure, & vice versa.

Older guns were made to lower pressure standards, and there is always the possibility of barrel problems like pitting or thinner barrels. You should always have a new to you gun checked out by a competent gunsmith. Barrels tend to blow up by your hand or closer. Low pressure loads does not always mean safe in your particular gun. People before you may have honed the barrels to shine them up which makes them thinner, or they lengthen the chambers which amounts to thinner barrels near your face.

Velocity & recoil can stress the wood enough to break it. Not pleasant but nothing like a burst barrel. Err on the side of caution.

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