Production Rate For Trimming 223 Rem Base?


December 29, 2002, 10:34 PM
How fast can you manually trim some 223 rem cases?

Or do you use an electric drill.

I just am considering an electric motor for my RCBS Trim Pro Trimmer to speed things up.:confused:

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December 29, 2002, 11:45 PM
I use a two stage pneumatic clamping fixture on a vertical milling machine (an old Bridgeport) for volume trimming chores. Throughput is ~1200 cases/hour.


December 30, 2002, 12:55 PM
I do all the case prep manually and trim, chamfer, clean up the flash hole and primer pocket at about one case per minute.

Bottom Gun
December 30, 2002, 04:28 PM
I tried hanging a 1/2 drilll off the shaft of my RCBS trimmer and it chewed up the bearings of the trimmer.
I have a new trimmer now and I do it by hand.

I've thought about making something I can use in my drill press but haven't gotten around to it yet.

Dillon advertises some kind of press mounted motor driven trimmer which requires attachment to a vacuum cleaner to suck the chips away. My initial impression was that the noise might be annoying but maybe I'm wrong. Happens quite a bit.

December 30, 2002, 04:51 PM
I use a $6 Lee hand trimmer, and just chuck the shell holder part into a variable speed drill. 'Bout 5 seconds per case....


Jon Coppenbarger
December 30, 2002, 10:56 PM
I go threw alot of .223 brass for matches and need to cut my time down on preping brass as it can take alot of time.
I use a giraud case trimmer. it trims,chamfers the inside and out side all in one quick process and very quickly.
I opened a new bag of 100 ww brass which is case hard when new and a bear to trim and popped a tv diner in the micro wave at the same time I started on the brass and was done with the brass 1 minute after the timer went off on the microwave.

now I buy brass in two different ways 600 yard ammo and rattle battle ammo gets new ww brass to start the year and 200 and 300 yard and practice ammo gets once fired brass from rvo, I buy the ww in lots of 500 or 1,000 and the rvo in lots of 3,500.
I use a rcbs case prep center for the flash hole and primer pocket right now as its ok quick but its done after it goes threw the trimmer. and all brass new or used get run threw the sizer to get the neck case tension perfect.
I think I will go down and run another couple hundred threw the trimmer before I turn in. taking it to work and loaning it to a friend to try out as he has about 850 out of 1,000 rounds he wants to do. I told him it would take about 3 hours to trim and chamfer them. but the machine was $346 also.

December 31, 2002, 01:13 AM
I saw the Dillon Rapid Trim.

Dang thing costs $200 and it appears as if you have to take the primer assembly off. So you save trimming time but still have to prime separately.

Seems a waste to have to tinker with your 550 to use it.

Could it be installed on a Rockchucker, T-Mag, turret press?

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