Ross MK III rear sight openings-what one should I use? Picture

czscotia

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I recently acquired a Ross MK III And wonder if anyone can tell me what rear sight apeture is meant to be used when?
Thanks
 
For the ranges you likely ill be shooting at, friend, you use the small peep (aperture) on the cross-slide. The cross-slide is adjustable with the fine wormwheel in back of it.

The Ross Battle Aperture Sight (as it was termed) is fully adjustable in YARDS and in MINUTES OF ANGLE, depending upon which scale you are using.

What you ought to do is pop over to Milsurps dot com and take out a (free) membership. They have a whole library of books available for free download. One of them is the 1913 manual for your rifle.

BTW, your bolt appears to have a CRB number. Does the rifle itself also have a number on the receiver ring? Can you give us the numbers for our database (PM will do, thank you)? This would indicate WW1 use by the Royal Marines Light Infantry out of Crombie base, following upon the rifle being trashed by the Canadians. The Royal Marines kept some of these rifles and used them again in WW2. The vast majority of Mark III Ross Rifles are still in Russia..... and they ain't lettin' go: they build them into match rifles and kick butt at international events.

I find that my own Mark III responds VERY well to being fed 37 grains of IMR-4895 with a Sierra 180 Pro-Hunter bullet, seated to the OAL of a military Ball round. Cuts its own holes at 100 off the sandbags. Recoil is mild. This load clocks at 2350 from the Ross, 2250 from the SMLE; it is NOT hot but it is VERY accurate.

Welcome to the Wonderful World of Ross Rifles!
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Russia sold a HUGE slug of Ross rifles to the Spanish Nationalists during the Spanish Civil war. The Ross rifles that were taken to Russia by the Expeditionary Force during the Siberian Expedition were told in no uncertain terms to "Bring back the Ross rifles". More than can be said of some of the personnel. Where Russia got the stockpile of Ross rifles has always been a mystery.
Just a bit of useless history on the Ross.....
 
Latvia's official rifle in the 1920s was the "Ross-Enfield". Photos taken in Riga show the troops with Mark III Rosses. Russia would have got these.

They also got the ones that Lithuania and Estonia had.

And they got 160,000 in one batch from Britain, war aid before the Bolshies took over.

More were sent as "Aid to Russia" during War Two.

Canada even set up a whole tank factory and turned out a whack of Valentines, ALL for Russia. Our Army at that time was training on Fords and American-built Renault FTs from the First War. What a crock! Our Army fought the war with Honeys and Ronsons for the most part; the Firefly only came in right at the end. Russia showed up for the big parade in Berlin with a whole trainload of JOSEF STALIN IIIs which our Intelligence didn't even know existed: tracks wide enough to run through a swimming-pool and a 4.8-inch HV gun. We could not possibly compete with the thing.... and poor little Russia already had this monster in mass production. The Stalins had been held back so they would make a bigger impression. They sure did; it was called the Cold War.
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Latvia got some interesting kit as well as the Ross's. I saw some special purpose made Lee Enfields in the basement of the Riga military museum, but getting info out of the museum staff is like pulling teeth. Enfield Lock had the records on the special purpose, small runs of Lee Enfields and a few have made it to this side of the pond.
 
I have 3 Ross M10 Sporters with shorter barrels. I use the "peep" sight at close range targets 50 - 100 yards. But I have not done any long range shooting...

Is it even possible to get a correct sight picture using the original sights with a shorter than original barrel?
 
You can get a correct sight PICTURE allright, but the shortened barrel will have effects on the muzzle velocity and smaller effects on the actual elevation of the bore when firing. In particular, the shortened sighting radius will cause the barrel to be raised faster as you dial in the ranges, compensating to a degree for the altered MV. But if you want PRECISION, I would go about it as......

Zero the rifle first, setting the rear sight at 100 yards and firing a group at that range. Check for point of impact. If it is anything except dead-on, then adjust the rifle to zero and use the MINUTES OF ANGLE scale rather than the range scale.

The Ross Battle Aperture Sight is fully ajustable in this way, can take care of standard and NON-standard ammo..... and compensate for variations in MV and sighting radius.

The "buckhorn" semi-aperture is a battle sight for very fast shooting. The little aperture is what you use for accuracy, but you have to have it zeroed horizontally.

Once you are all set up, you just leave it and shoot.

And isnt that trigger just GREAT? And they were ALL that good!

Good luck!
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I'm awaiting the arrival of a M10 Ross sporter with a 24" barrel from a fellow CGN'r; he says it is as "accurate as a target gun". Can't wait, I've always wanted a Ross!!:D
 
Useful information in the Canadian Expeditionary Force Scoring Book (1915), but I haven't finished digitising that one yet.

Pop over to milsurps dot com and take out a (free) membership. Then get on their Ross Rifles forum and download the complete 1913 Manual for the rifle.

That gives you the information on how to work the critter.

For how to SHOOT it accurately, download a copy of SHOOT TO LIVE!: still and by far the best textbook ever written on shooting iron-sight rifles with aperture sghts. It is an entire shooting course, based on the Number 4 Rifle but with about 99% of it equally applicable to the Ross.
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