Sizing Brass
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Sizing Brass
Sorry to bring up a topic likely covered somewhere in here. I don't seem to be all that bright at using the search function.
Okay, sizing fired brass. Full length, partial, or not at all. I am using GG bullets.
Thanks!
Okay, sizing fired brass. Full length, partial, or not at all. I am using GG bullets.
Thanks!
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Re: Sizing Brass
When I shot GG bullets I did not resize my cases, the bullet I used were simply pressed in the case with my thumb after the powder was compressed.
- Distant Thunder
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Re: Sizing Brass
Tuscarora,
You can do it any of three ways.
You don't say what type of rifle you're using, some rifles have more camming ability than others, some none at all. I have never sized my fireformed brass and have always finger seated my grease groove bullets to engrave about .020-.030" when the block is raised on my '74 Sharps rifles and other of similar falling block design. Rollers have no camming and therefore the length has to be such that the block closes freely on the loaded round.
Neck tension works, I just found it easier to control the amount of tension when there wasn't any at all, zero tension is always the same. YMMV
You can do it any of three ways.
You don't say what type of rifle you're using, some rifles have more camming ability than others, some none at all. I have never sized my fireformed brass and have always finger seated my grease groove bullets to engrave about .020-.030" when the block is raised on my '74 Sharps rifles and other of similar falling block design. Rollers have no camming and therefore the length has to be such that the block closes freely on the loaded round.
Neck tension works, I just found it easier to control the amount of tension when there wasn't any at all, zero tension is always the same. YMMV
Jim Kluskens
aka Distant Thunder
aka Distant Thunder
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Re: Sizing Brass
One of the reasons I have never liked finger seating bullets is the inability to insure uniform overall length , especially with an action that does have substantial camming leverage when the block is closed. It is better in this regard when wiping between shots but I have no faith in it when blow tubing.
A taper crimp that holds the bullet securely in the case has always worked for me to the 600 yards I have competed.
I also have no faith in a few thousands of powder compression to resist bullet seating depth change when loading into a fouled chamber throat.
A taper crimp that holds the bullet securely in the case has always worked for me to the 600 yards I have competed.
I also have no faith in a few thousands of powder compression to resist bullet seating depth change when loading into a fouled chamber throat.
- desert deuce
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Re: Sizing Brass
All depends on what rifle, cartridge, purpose, location and preference dictate. Loading methods may be modified to accommodate usage.
Yesterday silhouette match in Tucson was 108 F, with 17% humidity, in the shade. One patch of 50/50 Audi Anti-freeze with distilled water worked in 45-70. After 3 sighters and 10 animals the wooden fore end on my rifle was so hot I could not hold on long enough to walk it from the line to my shooting box. (It has been a very long time ago that I saw a blow tube "attempted" to be used in Arizona.)
Had the rifle been in the open sun yesterday the radiant temperature would have been significantly higher and bore pigs would have been a necessity.
Any sane person would have not been out in it.
Essentially, how we load, (say the 45-70), depends entirely upon the intended usage. Loading black powder competition vs black powder hunting with a 45-70 BPCR are two entirely different animals.
Yesterday silhouette match in Tucson was 108 F, with 17% humidity, in the shade. One patch of 50/50 Audi Anti-freeze with distilled water worked in 45-70. After 3 sighters and 10 animals the wooden fore end on my rifle was so hot I could not hold on long enough to walk it from the line to my shooting box. (It has been a very long time ago that I saw a blow tube "attempted" to be used in Arizona.)
Had the rifle been in the open sun yesterday the radiant temperature would have been significantly higher and bore pigs would have been a necessity.
Any sane person would have not been out in it.
Essentially, how we load, (say the 45-70), depends entirely upon the intended usage. Loading black powder competition vs black powder hunting with a 45-70 BPCR are two entirely different animals.
Sometimes you get the chicken, and sometimes you get the feathers!
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Re: Sizing Brass
I feel for general all around shooting, full length sizing will be your best bet. Drop the round in, close the action, shoot...repeat until you need to get rid of the fouling. Target shooting is another matter.
Dennis
Experience trumps intelligence every time.
- bpcr shooter
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Re: Sizing Brass
no sizing......no need to. shoot, clean, fill with BP, wad, bullet and shoot again.
NMLRA Member
Winnequah Gun Club Member (Lodi, Wi)
WIFORCE Member
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Winnequah Gun Club Member (Lodi, Wi)
WIFORCE Member
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Re: Sizing Brass
if you do want to size cases, still use a bullet that will friction fit into a fireformed case with the fingers.
after sizing, expand the neck with a baco dual diameter expander that allows the bullet to be started with the fingers, and then has 0.001" neck tension.
that with most compression will allow a groove diameter bullet to be forced into the lands a little should you prefer.
0.001" tension will only bugger the bullet a bare minimum.
such a setup will allow finger seating for target shooting and neck tension for hunting etc.
bruce.
after sizing, expand the neck with a baco dual diameter expander that allows the bullet to be started with the fingers, and then has 0.001" neck tension.
that with most compression will allow a groove diameter bullet to be forced into the lands a little should you prefer.
0.001" tension will only bugger the bullet a bare minimum.
such a setup will allow finger seating for target shooting and neck tension for hunting etc.
bruce.
ventum est amicus meus
- Lumpy Grits
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Re: Sizing Brass
I size my .45-70 brass in a .45-100 die and my .45-90 brass in a .45-110 die.
Works the brass less and my targets say to keep doing it.
I only shoot GG bullets.
Gary
Works the brass less and my targets say to keep doing it.
I only shoot GG bullets.
Gary
"Hav'n you along, is like loose'n two good men"
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Re: Sizing Brass
Gary,
Come shoot BPCR silhouette with us next weekend at Miller Kansas.
Come shoot BPCR silhouette with us next weekend at Miller Kansas.
"keep adding powder til it bloodies your nose and blacks your eyes, then back it off bout 5 grains."
- Lumpy Grits
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Re: Sizing Brass
Got a link for information?
Not sure my rifle makes weight.
Gary
"Hav'n you along, is like loose'n two good men"
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Re: Sizing Brass
BPCR, Inc.Lumpy Grits wrote: ↑Sat Aug 08, 2020 9:40 pmGot a link for information?
Not sure my rifle makes weight.
Gary
Miller, Kansas
Black Powder Cartridge Rifle Silhouette
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"keep adding powder til it bloodies your nose and blacks your eyes, then back it off bout 5 grains."
- Lumpy Grits
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