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Review of the Lyman 55 powder meaure.

This is a discussion on Review of the Lyman 55 powder meaure. within the Reloading forums, part of the Gunner Forum category; I just received the Lyman 55 powder measure yesterday. This morning I unpackaged it & like most things, took it apart I removed the slide ...


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Old 03-22-2014, 10:22 AM   #1
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Review of the Lyman 55 powder meaure.

I just received the Lyman 55 powder measure yesterday. This morning I unpackaged it & like most things, took it apart

I removed the slide assembly & cleaned it & the internals with Gun Scrubber to de-grease it. I then re-assembled everything & wiped it, inside & out with a dryer sheet.

My initial thoughts where that it is well made & the machining is well done on the slide area & the fit & finish are typical Lyman quality.

For those not familiar with the Lyman 55, you have 3 slides, the top slide is for small pistol, you use the top & middle together for large pistol/small rifle & all 3 for large rifle.
Ok, now to open up all 3 slides & run some HP-38 through it to coat everything with graphite. I cycled a 1/3 of a pound though it, closed all 3 slides & filled it back up to start the test. I did not reference the graduation marks on the slide, I just started from all closed & slowly opened the top 1 a few turns & it was dropping 2.5 gr. of powder. Opened a little more & got it to 3 grains, so I lightly closed the slide set screw. The set screws are fine threaded, with a nylon tip, so light 2 finger tough is all that's needed.

I checked another drop on my digital scale & it stayed at 3 gr, so I dropped 5 charges & they measured 15 gr even, dumped it back & dropped 10 that read 30.1gr. I can more that live with that. Buy the way, 3 gr of HP-38 is the charge I use for my 100gr. Xtreme .380 acp loads. I went up to 5 grains, my charge for .45 acp 200 gr Xtreme bullets with similar results.

I don't find it much different that any other volume powder measure, except it does not leak like my Lee PPM did, but it dropped accurate loads also. The big feature for me & the reason I bought it, was you don't have to change inserts, bushings or anything else, 1 purchase to charge everything.

Some items of note. The Lyman 55 has a handy clamp on the back for mounting it to a shelf, which is 1 reason I got it & it works great on my bench & I can get the reloading tray under it completely.

It also comes with a small & large drop tube, a built in powder baffle & an adapter(7/8" x 14) & lock ring for die mounting. It also has a built-in knocker, which I did not use, I was just consistent with it's operation & all went well.

The only negative comment I find is the powder reservoir is on the small side, which is not an issue for me, as I currently load pistol only. There is a 7000 gr. one available. If you need an accurate, quality powder measure in the $85 price range, I highly recommend it.

Last edited by moakes58; 03-22-2014 at 01:52 PM.
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Old 03-22-2014, 10:26 AM   #2
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Great report! Thanks.
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Old 03-22-2014, 11:02 AM   #3
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I use my 55 to mainly to measure flake powders like Unique under 6.0 gr it is super accurate . I make the hole deep and skinny .

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Old 03-22-2014, 01:48 PM   #4
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I don't know how old yours is TGR, but it looks exactly the same feature wise, just a different color. Mine is like a dark gray, but I have seen old ones on Ebay that were orange.

Last edited by moakes58; 03-22-2014 at 01:50 PM.
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Old 03-22-2014, 02:32 PM   #5
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Quote:
Originally Posted by moakes58 View Post
I don't know how old yours is TGR, but it looks exactly the same feature wise, just a different color. Mine is like a dark gray, but I have seen old ones on Ebay that were orange.
over 20 yrs old .....................
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Old 03-22-2014, 03:15 PM   #6
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To quickly set a measure like my 55-A (orange) and RCBS I weigh using my trickle charger the amount of powder to be used. Open the cavity on the measure an pour in the powder. Get all of the powder into the cavity then rotate the drum just far enough to completely cover the cavity and close the the adjusters until contact is made. Set the stops and check. Fine tune as necessary.
TC
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Old 03-23-2014, 06:34 AM   #7
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Quote:
Originally Posted by Rocklock View Post
To quickly set a measure like my 55-A (orange) and RCBS I weigh using my trickle charger the amount of powder to be used. Open the cavity on the measure an pour in the powder. Get all of the powder into the cavity then rotate the drum just far enough to completely cover the cavity and close the the adjusters until contact is made. Set the stops and check. Fine tune as necessary.
TC
thanks for the tip. It took me less than a minute to adjust it twice to get where I wanted, it's pretty quick & I will get better when I have used it a few times.

I really like it so far.
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Old 03-25-2014, 09:52 PM   #8
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Here is an update!

I actually loaded with the Lyman 55 today using HP-38 for my 200 grain .45 auto loads & it was great! I was dropping a 5 gr. charge & it was very easy to set & repeatable. I dropped 85 charges & it did not fluxuate.

I am impressed & it's a keeper. I am starting a log of each powder/charge, as the marking on the bottom of the slide will get me real close on my set-up to return to it again.
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Old 03-26-2014, 05:46 AM   #9
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Good report moakes! Sounds like the Lyman is a keeper. I've had 2 RCBS measures for years - one with a large cavity for rifles and one with a small for pistol. No complaints on either one.
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Old 03-26-2014, 06:19 AM   #10
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Quote:
Originally Posted by rman43 View Post
Good report moakes! Sounds like the Lyman is a keeper. I've had 2 RCBS measures for years - one with a large cavity for rifles and one with a small for pistol. No complaints on either one.
I was very close to buying their RCBS Quick Change powder measure. It does everything with 1 unit & has a drain tube.

I could not find 1 for a month, then after some research, went with the Lyman & am glad.
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Old 05-23-2014, 02:27 PM   #11
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I have been using a 55 since the late 50's. I re-sleeved the barrel once.
It's still going good.
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