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RCBS chargemaster...

 
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  #71  
Old 04-19-2014, 10:00 PM
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Join Date: Apr 2005
Location: Alaska
Posts: 3,512
Re: RCBS Chargemaster - Positive Experience

Well I received my RCBS Chargemaster Combo. Brownells had a $30.00 coupon and RCBS has a $50 rebate. Will cost me $250 after receiving the rebate back.

I researched and placed a straw in the full length of the dispenser tube with a small V cut into the straw back in the powder hopper to slow the rate of powder flow into the feed end of the straw. I also cut 6 small V shaped fingers out of the end of the straw. Lastly I reprogrammed the first three numbers in the factory program in order to increase the speed of dispensing.

I loaded 100 rounds of 40 S&W ammo with 8.0 grains of Hodgdon HS-6 powder. Out of 100 rounds, I had two that overcharged to 8.1 grains. Dispensing was plenty fast. I checked the first 50 charges on my balance beam scale and they were all within +/- 0.5 grains.

Didn't bother weighing any of the last 50 powder charges. If the digital scale stopped at 8.0 gr I dumped the charge into the cases.

I weighed a 1 gram brass calibration weight that I use with my balance beam scale. 1 gram = 15.4324 grain. The RCBS digital scale fluctuated back and forth between 15.4 and 15.5 grains. Spot on.

All in all I'm very happy with this first-use experience. HS-6 is similar to ball powders, except a little bit flakier. The Chargemaster had no problems quickly dispensing 8.0 gr loads thru my modified dispensing straw. I got the straw design from a web site where the author was loading 26.0 gr Varget for a .223 with very good results. I'll be using the same powder and charge for my 5.56 soon.
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  #72  
Old 04-20-2014, 03:22 PM
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Join Date: Jun 2011
Location: New Mexico
Posts: 1,354
Re: RCBS chargemaster...

Glad that you like it Phorwath. Believe it or not...the straw really makes a difference.
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  #73  
Old 04-20-2014, 06:29 PM
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Join Date: Apr 2005
Location: Alaska
Posts: 3,512
Re: RCBS Chargemaster - Positive Experience

Quote:
Originally Posted by phorwath View Post
I loaded 100 rounds of 40 S&W ammo with 8.0 grains of Hodgdon HS-6 powder. Out of 100 rounds, I had two that overcharged to 8.1 grains. Dispensing was plenty fast. I checked the first 50 charges on my balance beam scale and they were all within +/- 0.05 grains.

Didn't bother weighing any of the last 50 powder charges. If the digital scale stopped at 8.0 gr I dumped the charge into the cases.
I corrected a typo in bold, above. +/- 0.5 grains was supposed to be +/- 0.05 grains. The 50 weighed loads were all thrown within a total range of 0.1 grain on my balance beam scale.
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