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About those inserts for RCBS Chargemaster... #6172530 02/07/16 04:08 AM
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RiverRider Offline OP
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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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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172533 02/07/16 04:13 AM
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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


lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172556 02/07/16 04:52 AM
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I thought people were using straws to improve the CM's drop tube?


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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172564 02/07/16 04:57 AM
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Reducing the diameter of the mouth of the drop tube works better than the straw trick.


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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172572 02/07/16 05:07 AM
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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172619 02/07/16 10:20 AM
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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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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172663 02/07/16 01:33 PM
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no problems in 3yrs


hold on Newt, we got a runaway
Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172692 02/07/16 02:00 PM
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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.

Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172753 02/07/16 02:46 PM
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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.


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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6172938 02/07/16 05:46 PM
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where can you order the insert?


SPACE FOR RENT


Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6173077 02/07/16 07:59 PM
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Here's the man's thread. It looks like a nicely made accessory.

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


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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6174930 02/08/16 11:06 PM
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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.

Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6175213 02/09/16 02:08 AM
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Make that 6. Works well. I was using IMR 3031.


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Re: About those inserts for RCBS Chargemaster... [Re: RiverRider] #6175258 02/09/16 02:35 AM
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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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