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Thread: Primer 014: Ross Rifle Mark III (by C&Rsenal)

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  1. #11
    Really Senior Member flying pig's Avatar
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    The bolt stop problem is quite real, but in my mind's eye it could have been easily solved. Instead of having Evelyn spaced mega overkill number of lugs, he simply could have made the left rear two lugs into one much heavier lug while retaining the other lighter lugs. I'm no engineer, but it would have been less machining too.

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    Contributing Member Eaglelord17's Avatar
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    He could have also stuck with two lugs like how he did the Mk. IIs. Unfortunately by time they had fixed all the problems it was too late.

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    Contributing Member Ax.303's Avatar
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    Quote Originally Posted by flying pig View Post
    The bolt stop problem is quite real, but in my mind's eye it could have been easily solved. Instead of having Evelyn spaced mega overkill number of lugs, he simply could have made the left rear two lugs into one much heavier lug while retaining the other lighter lugs. I'm no engineer, but it would have been less machining too.
    I not saying the bolt will not deform with long hard use.

    But it is far less common than some people make it out to be. Especially with the over sized bolt stop.

    Making the back two left lugs as one would have worked well.

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    Really Senior Member flying pig's Avatar
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    I've been nursing a bolt head with a cracked lug for over a year now. I've been watching it closely for signs of further cracking. While it hasn't become worse, the damage is still there...

    I have a box of bolt heads with broken lugs, like a half dozen of them.

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    Contributing Member Ax.303's Avatar
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    I also have a rifle with a deformed cracked bolt head that I keep threatening to replace the head on. I dressed it up with a file, and it has been holding up for a couple years now.

    I have three beat bolt heads in my junk box that were replaced sometime over last 100 years.

    And then there are another eleven rifles in the safe with M-10 actions and a couple spare bolts with bolt heads that are in great shape.

    Replace your bolt head. You`ll be good for another 100 years or so.
    Last edited by Ax.303; 05-09-2016 at 10:07 AM.

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    Contributing Member Sentryduty's Avatar
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    Quote Originally Posted by flying pig View Post
    I have a box of bolt heads with broken lugs, like a half dozen of them.
    Could you share some up close photos of the cracking and breakage? It would be helpful to see what these things do when they begin to go.
    - Darren
    1 PL West Nova Scotia Regiment 2000-2003
    1 BN Princess Patricia's Canadian Light Infantry 2003-2013

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    Advisory Panel Surpmil's Avatar
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    Quote Originally Posted by Sentryduty View Post
    Could it be done?
    I would like to be involved in a project like that in any way I could. I do not have much knowledge to contribute on the topic but could surely manage what ever was assigned to me.

    I am quite serious if someone wants to take the lead.
    Any rewrite would require the cooperation of the gentleman who now owns the rights to the original manuscript and has recently republished it. Kudos to him for doing so as original copies were in short supply.
    Last edited by Surpmil; 11-26-2016 at 12:46 AM.
    "Men occasionally stumble over the truth, but most pick themselves up and hurry off as if nothing had happened." W.L.S.C..

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    Really Senior Member flying pig's Avatar
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    I'll try to remember to in the coming weeks

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    Senior Member jakester's Avatar
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    Most of the original rifles I've seen with the early bolt stop were the Home Guard rifles. When the Bolt stop was updated, so was the front band (Forged instead of stamped) and the stock was thicker from the mid band forward. Mine has the larger Bolt stop, and there are no issues with deformation. It also cycles and extracts perfectly, although the cases do suffer the usual enlargement just forward of the solid head portion of the case from the enlarged chamber.


    Ross' could have made the last two lugs on the left side solid, but it would have been even more of a nightmare to machine. The lugs in the receiver, and the bolt for that matter, are basically a form of coarse threads. Hence the "interrupted screw" designation when describing the locking lugs.

    BTW, the Lee Enfield Riflesicon also had problems with the crappy Britishicon Contract ammo, and rifles had to be sent to the rear areas to get the chambers enlarged. Funny how THEY didn't receive the same bad press as the Ross'
    Last edited by jakester; 06-07-2016 at 09:56 PM.

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    Member Bigedac's Avatar
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    Ed,
    I recently purchased my third Ross, two sporters and a Mark IIIB. The IIIB has a different rear sight, somewhat of a triangle and the small lever that is activated to unlock the inside peep sight allowing it to slide up and down is gone. So the peep just bounces around. Does anyone happen to have another of these sights that I could purchase? If I had the lever and spring it could be repaired. Thanks for the help.
    Errol


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