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Old January 10, 2019, 11:54   #1
M829A3
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Cotton was in cartridge to take up space.

I have read numerous opinions on placing a cotton wad on the powder charge for cartridges like 30.06 that with "modern powders" dont fill the case, or with reduced charges, results in better burning and less likely detonation possibilities. Any one with experience doing this, and is there any real benefit??
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Old January 10, 2019, 12:27   #2
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Not needed in any normal load with “modern powders”

Causes as many issues with reduced loads as it cures.

Use trail boss for reduced loads: case filled!
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Old January 10, 2019, 15:14   #3
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on average ........

most calibers get their "best accuracy" w/ 90 to 95 % load density (case nearly full)

reduced loads should be avoided for safety reasons

severely reduced loads usually result in a condition that is called "flashover"

"flashover" most commonly becomes a "detonation" resulting in getting the rifles bolt blown back into your face, action torn apart and you easily getting into the ICU ward of the hospital (if you survive)

many cast bullet shooters will use a tuft of Dacron batting on top of a reduced load, many like "mouse fart loads", low recoil, low report fun to shoot, they do this because they are too lazy to develop a load w/ a powder like ammolab said, trail boss or another similar "fluffier" powder
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Old January 10, 2019, 16:44   #4
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I'm going with *not a concern.*
I'm a data set of 1 in having fired many thousands of reduced handloads spanning from .45-70 Gubmint to .38 Special using many different powders for rifle and pistol that didn't come anywhere even close to filling the case.
Excellent results with accuracy and function with zero problems, along with heaps of fun!
I often shoot home cast bullets which cover most but not all of my reduced loads.

Powders used include:
Unique
Red Dot
W231
IMR4895
IMR3031
BLC(2)
Tin Star
Varget
...and yes
Trail Boss
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Old January 11, 2019, 01:05   #5
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Originally Posted by M829A3 View Post
I have read numerous opinions on placing a cotton wad on the powder charge for cartridges like 30.06 that with "modern powders" dont fill the case, or with reduced charges, results in better burning and less likely detonation possibilities. Any one with experience doing this, and is there any real benefit??
Some folks use fillers, but not cotton (at least that I'm aware of) with reduced loads in large(r) rifle cartridges. Dacron (available at Wal Mart in the sewing section) is one of the most commonly used. There are potential pitfalls associated with the use of fillers, including ringing the inside of the chamber. A small tuft of 1 -2 grains weight (depending on the cartridge) is placed on top of the powder charge and allowed to expand to fill the air space. The filler should NEVER be tamped down on top of the powder charge - it's a case filler, not an over-powder wad!

Read up on the subject, including the potential hazards, and decide if you want to try it. The link below shows a thread by a very experienced case filler user, Larry Gibson.

http://forums.accuratereloading.com/...sl/print_topic
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Old January 11, 2019, 09:31   #6
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Only time I used a filler was with the 38/357 shooting light loads under a 148 HBSWC. Always found it a pain in the rump.....but better then a blown out top strap.

Also used to load the plastic projectiles in the plastic cases only powered by a primer for target practice.....killed a crow with that load one time.
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Old January 11, 2019, 10:34   #7
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Kapok was the recommended filler to me when I was loading WAY light for my 30.06 Ruger 77

For the life of me, I don't remember why it was recommended over cotton or pulverized paper.

Only loaded about 100 rounds (100 grain Speer "plinker" bullets) before I tried with no filler and shot just the same. Never tried measuring for accuracy, these were varmint loads for the rabbit plague we used to have out in the sticks around the alfalfa farms. Shoot 'em and leave 'em for the coyotes.

Been thinking of trying some of them for just stupid fun shooting in the FAL.

Last edited by Slaughter; January 11, 2019 at 10:41.
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Old January 11, 2019, 18:41   #8
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I have known some BP shooters that have used filler but I never have. Back when I shot a lot of handgun competitions my primary load for the 38spl was 2.3 grains of 700X under a 148 HBWC. That load looks mighty small in a 38 case. Yet I never had any problems with it and I couldn't even guess how many of those I have shot over the last 40 years or so.
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Old January 14, 2019, 20:22   #9
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Quote:
Originally Posted by Sig220 View Post
Only time I used a filler was with the 38/357 shooting light loads under a 148 HBSWC. Always found it a pain in the rump.....but better then a blown out top strap.

Also used to load the plastic projectiles in the plastic cases only powered by a primer for target practice.....killed a crow with that load one time.
I understand the rubber bullets from a 38spl will leave a welt. I also understand they’ll leave a welt on the other guy, too.
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Old January 14, 2019, 23:03   #10
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I have used Kapok with smokeless loads in .450-577 Martini Henry rounds, which is truly a massive case. Kapok is a cellulite fiber like cotton, but burns up better. It "works" for what I do with it, no ill effects. Whether I truly need it is another question.

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Old January 15, 2019, 08:39   #11
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Gosh, I thought everyone used cream of wheat for a filler.
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Old January 15, 2019, 12:01   #12
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Gosh, I thought everyone used cream of wheat for a filler.

either cream of wheat or grits for filler to fire form a case and a tiny piece of paper on top to keep everything from spilling out

first time I saw my grandfather using cream of wheat was when he was loading cases to fire form .25-06 P.O Ackley Improved cases, that was the mid 1960's
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Old January 15, 2019, 12:13   #13
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Quote:
Originally Posted by KoKodog View Post
either cream of wheat or grits for filler to fire form a case and a tiny piece of paper on top to keep everything from spilling out

first time I saw my grandfather using cream of wheat was when he was loading cases to fire form .25-06 P.O Ackley Improved cases, that was the mid 1960's
That would have been the time frame that I was seriously starting up reloading.
My mentors were mostly WWI vets that were into target shooting.
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Old January 15, 2019, 20:16   #14
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Used to use Cream of Wheat but if rounds got vibrated to point of mixing issues would occur. Switched to Dacron but now just try to use powders with enough case fill it's not an issue. In fact, look for 90% to 105% fill for my more accurate rifle loads these days. Use Unique in most pistol loads and let er eat.
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Old January 15, 2019, 21:59   #15
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Even back in the mid 80s, when I started reloading, there was nowhere nearly as many powders available as there are now, so lots of fillers were used for target and varmint loads.
Re: cream of wheat, etc; I remember reading in G&A (IIRC) that a guy used corn meal as a filler for light black powder loads in his stainless Ruger Old Army. He said it adhered to the inside of the chambers so badly that he had to drive a wooden dowel through them to get it out.
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