Question for the Omark experts

Get or give advice on equipment, reloading and other technical issues.

Moderator: Mod

Message
Author
Bigtravoz
Posts: 109
Joined: Sat Apr 22, 2017 7:43 pm

Question for the Omark experts

#1 Postby Bigtravoz » Sun Aug 26, 2018 7:51 pm

Can I safely run an Omark without the ejector in place in the bolt?

Cutanything
Posts: 141
Joined: Thu Feb 25, 2016 11:07 am
Location: Qld

Re: Question for the Omark experts

#2 Postby Cutanything » Sun Aug 26, 2018 8:03 pm

There is nothing to say you to have the ejector in place the hole will best been filled to prevent damage to brass though

lonerider43
Posts: 202
Joined: Thu Sep 01, 2016 6:55 pm

Re: Question for the Omark experts

#3 Postby lonerider43 » Sun Aug 26, 2018 9:35 pm

thats how i run mine.
i put a brass bolt in a drill and spun the thread off it,cut it to length and put a notch in the side for the retaining pin.
just make sure what ever you use is flush with the bolt face or you will get a dent/lump in the case face.
Australian's Against "Gun-A-Phobia"

John23
Posts: 320
Joined: Mon Oct 29, 2012 9:11 pm

Re: Question for the Omark experts

#4 Postby John23 » Mon Aug 27, 2018 5:06 am

Yep

Mine got removed and filled in when I got the bolt face bushed

KHGS
Posts: 634
Joined: Thu Oct 20, 2005 12:46 am
Location: Cowra NSW
Contact:

Re: Question for the Omark experts

#5 Postby KHGS » Mon Aug 27, 2018 8:24 am

It is not a requirement to block the ejector hole.
Keith H.

lonerider43
Posts: 202
Joined: Thu Sep 01, 2016 6:55 pm

Re: Question for the Omark experts

#6 Postby lonerider43 » Mon Aug 27, 2018 9:10 am

KHGS wrote:It is not a requirement to block the ejector hole.
Keith H.

no,but it does leave a dent/lump in the case it you dont.
Australian's Against "Gun-A-Phobia"

John23
Posts: 320
Joined: Mon Oct 29, 2012 9:11 pm

Re: Question for the Omark experts

#7 Postby John23 » Mon Aug 27, 2018 10:00 am

Same here

When i was using my 308 barrel with a 175 on top of a kg of 2208 I got bad marks on the case head .
Closing it up made a big difference.

Some could argue the point that less burn would have also fixed the problem

Bigtravoz
Posts: 109
Joined: Sat Apr 22, 2017 7:43 pm

Re: Question for the Omark experts

#8 Postby Bigtravoz » Mon Aug 27, 2018 10:18 am

Thanks. I am more worried about my head than the brass.

Malcolm Hill
Posts: 251
Joined: Fri Aug 25, 2006 9:40 pm
Location: Mid North S.A.

Re: Question for the Omark experts

#9 Postby Malcolm Hill » Mon Aug 27, 2018 3:24 pm

I hope if anyone is loading an Omark to the point that they are flowing brass back into the ejector hole, that they are never at the same end of the mound that I am shooting. Regards Malcolm.

Pommy Chris
Posts: 254
Joined: Tue Oct 21, 2014 12:05 pm

Re: Question for the Omark experts

#10 Postby Pommy Chris » Mon Aug 27, 2018 4:45 pm

Malcolm Hill wrote:I hope if anyone is loading an Omark to the point that they are flowing brass back into the ejector hole, that they are never at the same end of the mound that I am shooting. Regards Malcolm.

Dont own use an Omark anymore, long since moved up the food chain, but, with 155's my load was at the time very low, I was only doing 2930 as I was just using it at the club out to 600 yards. I cant remember my loads but it was something like 43 or 43 grains of 2208. Anyway I ended up with circles on by brass due to removed ejector so it does not have to be a hot load to do it.
Chris

Bigtravoz
Posts: 109
Joined: Sat Apr 22, 2017 7:43 pm

Re: Question for the Omark experts

#11 Postby Bigtravoz » Mon Aug 27, 2018 5:21 pm

They do have quite a large ejector hole which is why I asked the question, I did think it may leave a mark or lump on the rear of the case, but was mostly concerned about it being unsafe to my wellbeing. I really only want to try it as a bit of an experiment.

Bigtravoz
Posts: 109
Joined: Sat Apr 22, 2017 7:43 pm

Re: Question for the Omark experts

#12 Postby Bigtravoz » Mon Aug 27, 2018 5:23 pm

Pommy Chris wrote:
Malcolm Hill wrote:I hope if anyone is loading an Omark to the point that they are flowing brass back into the ejector hole, that they are never at the same end of the mound that I am shooting. Regards Malcolm.

Dont own use an Omark anymore, long since moved up the food chain, but, with 155's my load was at the time very low, I was only doing 2930 as I was just using it at the club out to 600 yards. I cant remember my loads but it was something like 43 or 43 grains of 2208. Anyway I ended up with circles on by brass due to removed ejector so it does not have to be a hot load to do it.
Chris

43 of 2208 would be merely dribbling out the end of the barrel, I reckon 2930 would be a bit hotter than that.

lonerider43
Posts: 202
Joined: Thu Sep 01, 2016 6:55 pm

Re: Question for the Omark experts

#13 Postby lonerider43 » Mon Aug 27, 2018 5:44 pm

my loads were 46gn of 2208,never had a problem.
i did get the lump before i filled the hole.
Australian's Against "Gun-A-Phobia"

KHGS
Posts: 634
Joined: Thu Oct 20, 2005 12:46 am
Location: Cowra NSW
Contact:

Re: Question for the Omark experts

#14 Postby KHGS » Mon Aug 27, 2018 5:57 pm

lonerider43 wrote:
KHGS wrote:It is not a requirement to block the ejector hole.
Keith H.

no,but it does leave a dent/lump in the case it you dont.


Only if your load is HOT!!! The fitted ejector is held out with a spring which when fully compressed puts the plunger face below the boltface.........so the "lump" you mention will still happen ejector in or out!!!!!
Keith H.

Pommy Chris
Posts: 254
Joined: Tue Oct 21, 2014 12:05 pm

Re: Question for the Omark experts

#15 Postby Pommy Chris » Mon Aug 27, 2018 7:15 pm

Bigtravoz wrote:
Pommy Chris wrote:
Malcolm Hill wrote:I hope if anyone is loading an Omark to the point that they are flowing brass back into the ejector hole, that they are never at the same end of the mound that I am shooting. Regards Malcolm.

Dont own use an Omark anymore, long since moved up the food chain, but, with 155's my load was at the time very low, I was only doing 2930 as I was just using it at the club out to 600 yards. I cant remember my loads but it was something like 43 or 43 grains of 2208. Anyway I ended up with circles on by brass due to removed ejector so it does not have to be a hot load to do it.
Chris

43 of 2208 would be merely dribbling out the end of the barrel, I reckon 2930 would be a bit hotter than that.

Not with the rather tight Archer barrels that were for sale at the time, that was the speed.
Chris


Return to “Equipment & Technical”

Who is online

Users browsing this forum: No registered users and 7 guests