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 Post subject: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Wed Mar 10, 2021 10:50 pm 
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Joined: Fri Apr 24, 2015 10:41 am
Posts: 25
Picked up a used Grabber today and noticed it had a .75 bar w/o the rubber wishbone puck. Wanted to try it out to see if it would work. About half way threw it started to spill out shot on the pre-crimp stage. I deconstructed the load to see where the error was. Measured the shot and it appeared to very as much as a 1/4 ounce on the drop. These are AA hulls and not HS AA hulls. Unique powder and the light pink CB wads. I tried to vary the speed at which I plunged the handle but it didn't seem to make a difference. Could this be the bar w/o the wishbone insert causing the problem?
If you have an opinion I would appreciate it.




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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 12:27 am 
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Joined: Thu Mar 05, 2009 10:56 pm
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Location: Central ND
Not an opinion.

You will not get a MEC bar to drop consistent shot payloads with the rubber insert(dog bone) missing. Without the insert, shot is filling that cavity also and dropping varying amounts of shot......you need to get a rubber insert.

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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 6:16 am 
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Joined: Fri Apr 24, 2015 10:41 am
Posts: 25
I didn't explain it well enough. This bar is a solid bar with no slot for a dogbone insert. It also only throws up to .81 of an ounce, which is too much for the hull. I will try another bar I have with the rubber insert.


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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 8:04 am 
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You got me, unless the bar you have has been modified. MEC bars notoriously throw light.

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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 8:08 am 
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Location: S.E. Wisconsin
Bogey25 wrote:
Measured the shot and it appeared to very as much as a 1/4 ounce on the drop..


What size shot? Could it be shot bridging? Is the hull in front of the over full hull light on shot?

Steve

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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 10:45 am 
Field Grade

Joined: Fri Apr 24, 2015 10:41 am
Posts: 25
I just started setting up the loader last night and don't have a handle on how often it happens. I will check the bridging and try another bar. It could have been drilled out but I didn't look too close. Just went to bed.
Thanks


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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 1:40 pm 
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Joined: Sun Mar 03, 2013 11:01 am
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Location: Newton Kansas
Bet that bar has been modified.

I've used several pre-dogbone bars for a LOT of years, and NEVER had any issues of shot drop variation OR jamming of any worth to note.

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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Thu Mar 11, 2021 9:01 pm 
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FWIW: I have two 3/4oz bars, one with and one without the dog bone that are on Mec 8567 grabber and the other on a Mec 650. I actually prefer the one without the bone. It seems to give a more accurate drop and I've never had an issue with bridging or shot shearing.

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 Post subject: Re: Shot drop weight inconsistency on a MEC 28 ga. Grabber
PostPosted: Fri Mar 12, 2021 12:26 pm 
Field Grade

Joined: Fri Apr 24, 2015 10:41 am
Posts: 25
I only started working out the kinks in a new loader. I only had the older CF hulls but will shoot some HS and try it. It appears to be a certain newer CF hulls that it happens on. Dropping .8 of an ounce may not be good also.
Thanks for the replies.




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