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#6172530 - 02/06/16 10:08 PM About those inserts for RCBS Chargemaster...
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6909
Loc: Wise Co.
I wanted to order one of those inserts, but I don't do paypal and haven't been able to write a check to pay for it (long and uninteresting story). I kept thinking to myself that there has to be an easy way to make one of those without a lathe. It finally dawned on me this evening...a 5.7 x 28 FN case is just right. I chucked one up in a drill and turned its diameter down a little with sandpaper, the cut it to about the length of a .380 case and chamfered the mouth. Then I drilled out the primer pocket with a 3/16" drill. A couple of small pieces of scotch tape on the case made it fit the Chargemaster's drop tube snugly, and I'm in business.

It works.
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Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6172533 - 02/06/16 10:13 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
kmon1 Offline
junior

Registered: 09/27/06
Posts: 21397
Loc: Texas
Looked at several cases last year and didn't think about that one. Have plenty of those cases, will have to give it a try
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#6172556 - 02/06/16 10:52 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
kry226 Offline


Registered: 01/11/09
Posts: 5109
Loc: Germany
I thought people were using straws to improve the CM's drop tube?

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#6172564 - 02/06/16 10:57 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6909
Loc: Wise Co.
Reducing the diameter of the mouth of the drop tube works better than the straw trick.
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Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6172572 - 02/06/16 11:07 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6909
Loc: Wise Co.
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6172619 - 02/07/16 04:20 AM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
kry226 Offline


Registered: 01/11/09
Posts: 5109
Loc: Germany
Interesting. However, I have to admit that I have had very few issues with my CM. It's finicky every now and then, but that's about it.

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#6172663 - 02/07/16 07:33 AM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
colt45 Offline
THF Trophy Hunter

Registered: 08/19/06
Posts: 6524
Loc: bastrop county
no problems in 3yrs
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#6172692 - 02/07/16 08:00 AM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
jeepercreeper Offline
Extreme Tracker

Registered: 11/07/10
Posts: 3835
Loc: DFW
I've had a few over charges but nothing bad. But now that I learned to under charge then trickle, I never have any problems.

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#6172753 - 02/07/16 08:46 AM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6909
Loc: Wise Co.
It may depend on what powders you're using, some are more prone to overcharge than others.

If you watch the Chargemaster bumping the drop tube when it's trying to dump that last tenth of a grain, you can see it happening and WHY it's happening. The reduction insert puts a stop to that action.

Some guys say that it helps make the Chargemaster more precise. I can see why some may believe that but I'm not 100% convinced...but the fact that this will put a stop to those 1/10- and 2/10-grain overcharges makes my own reloading life a little better.
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6172938 - 02/07/16 11:46 AM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
Buzzsaw Online   content
THF Trophy Hunter

Registered: 06/29/11
Posts: 8124
Loc: Frisco, Texas
where can you order the insert?
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#6173077 - 02/07/16 01:59 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6909
Loc: Wise Co.
Here's the man's thread. It looks like a nicely made accessory.

http://texashuntingforum.com/forum/ubbth...rts#Post6070832
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6174930 - 02/08/16 05:06 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
JTPinTX Offline
Woodsman

Registered: 04/01/15
Posts: 249
Loc: TX Panhandle
The inserts make a real difference. I personally know of at least 5 Chargemasters using them, and it has made a difference on every one of them.

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#6175213 - 02/08/16 08:08 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
ASIC777 Offline
Woodsman

Registered: 11/30/07
Posts: 222
Loc: McKinney, TX.
Make that 6. Works well. I was using IMR 3031.
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#6175258 - 02/08/16 08:35 PM Re: About those inserts for RCBS Chargemaster... [Re: RiverRider]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 20466
Loc: Wolfe City, TX
Originally Posted By: RiverRider
It may depend on what powders you're using, some are more prone to overcharge than others.

If you watch the Chargemaster bumping the drop tube when it's trying to dump that last tenth of a grain, you can see it happening and WHY it's happening. The reduction insert puts a stop to that action.

Some guys say that it helps make the Chargemaster more precise. I can see why some may believe that but I'm not 100% convinced...but the fact that this will put a stop to those 1/10- and 2/10-grain overcharges makes my own reloading life a little better.


^^Exactly^^

Well done in the DIY fix with the tools you have available. up

I actually PMed the original designer on Sniper's Hide and copied his dementions with a piece of brass solid stock, in the lathe. Before the insert the Charge Master would overthrow half of the charges, with Varget, H-4350, and Retumbo (all cylindrical powders) after the insert it over throws 5%.
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