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==Military variants==
 
==Military variants==
 
<b>Rifle, Ross Mk I</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk I</b><ref name="Phillips, J. 2005"/>
This was the first production military model Ross Rifle. The first few hundred were fitted with the full-length folding <i>Sight, Ross Mk I.</i> Before any were delivered, the sight was replaced with a shorter version graduated to 2200 yards rather than 2500 yards. Years later, this sight would be designated <i>Sight, Ross Mk I*</i>.  Many weapons would have this replaced with the <i>Sight, Ross Mk II</i>, a curved sliding "Lange Vizier" type. The barrel was 28 inch long, and the fore-stock ended 4 inches short of the muzzle. The front band had a bayonet lug. The safety was operated by a square sliding button on the rear of the bolt handle. The magazine cut-off was on the lower right of the magazine protruding through the stock, and pressing it down engaged the cut-off. The magazine cut-off release was inside the front of the trigger guard, and depressing it would disengage the cut-off. A large lever was on the right side which was used to depress the magazine follower for "dump loading" all five rounds at once. The weapon was a straight-pull cock-on-close design. There was a sliding trap in the butt-stock for cleaning tools. A total of 10,500 were manufactured. A number of the original 500 were re-purposed as training rifles and fitted with longer front barrel bands used on later production <i>Rifle, Ross Mk II</i>. This was done so they could more easily endure the stress of constant bayonet practice.
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This was the first production military model Ross Rifle. The first few hundred were fitted with the full-length folding <i>Sight, Ross Mk I.</i> Before any were delivered, the sight was replaced with a shorter version graduated to 2200 yards rather than 2500 yards. Years later, this sight would be designated <i>Sight, Ross Mk I*</i>.  Many weapons would have this replaced with the <i>Sight, Ross Mk II</i>, a curved sliding "Land Vizier" type. The barrel was 28 inch long, and the fore-stock ended 4 inches short of the muzzle. The front band had a bayonet lug. The safety was operated by a square sliding button on the rear of the bolt handle. The magazine cut-off was on the lower right of the magazine protruding through the stock, and pressing it down engaged the cut-off. The magazine cut-off release was inside the front of the trigger guard, and depressing it would disengage the cut-off. A large lever was on the right side which was used to depress the magazine follower for "dump loading" all five rounds at once. The weapon was a straight-pull cock-on-close design. There was a sliding trap in the butt-stock for cleaning tools. A total of 10,500 were manufactured. A number of the original 500 were re-purposed as training rifles and fitted with longer front barrel bands used on later production <i>Rifle, Ross Mk II</i>. This was done so they could more easily endure the stress of constant bayonet practice.
  
 
<b>Carbine, Ross Mk I</b><ref name="Phillips, J. 2005"/>
 
<b>Carbine, Ross Mk I</b><ref name="Phillips, J. 2005"/>
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<b>Rifle, Ross Mk II**</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk II**</b><ref name="Phillips, J. 2005"/>
Development of this weapon began in the spring of 1908, and the planned designation was <i>Rifle, Ross Mk III</i>. This model was intended as a major improvement over the previous <i>Rifle, Ross Mark II with Sight, Ross Mk III</i>. The barrel length was extended to 30.5 inches, the rear hand-guard was simplified, the safety was replaced by a completely new flag-type safety, and the rear sight was changed to the third-party <i>Sight, Sutherland Mk I</i>. The magazine cut-off was dispensed with entirely. By the time it was ready to be produced in numbers, an even more radical design change was in the works to become the Mk III, and this model was desiginated <i>Rifle, Ross Mk II**</i> instead. In May 1909, it was decided to convert some 500 of the <i>Rifle, Ross Mk II, with Sight, Ross Mk III</i> to the new design for field trials. This was increased to 700. While these weapons were being trialed, production of the shorter "Mk II" continued, with some of the "Mk II**" changes being introduced. In 1911, the <i>Rifle, Ross Mk II**</i> became the standard, and production began. Some 13,000 were newly manufactured before this model was superseded by the <i>Rifle, Ross Mk III</i> in 1912.
+
Development of this weapon began in the spring of 1908, and the planned designation was <i>Rifle, Ross Mk III</i>. This model was intended as a major improvement over the previous <i>Rifle, Ross Mark II with Sight, Ross Mk III</i>. The barrel length was extended to 30.5 inches, the rear hand-guard was simplified, the safety was replaced by a completely new flag-type safety, and the rear sight was changed to the third-party <i>Sight, Sutherland Mk I</i>. The magazine cut-off was dispensed with entirely. By the time it was ready to be produced in numbers, an even more radical design change was in the works to become the Mk III, and this model was desiginated <i>Rifle, Ross Mk II**</i> instead.
  
 
<b>Rifle, Ross Mk II<sup>3</sup>*</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk II<sup>3</sup>*</b><ref name="Phillips, J. 2005"/>
This rifle was an adaptation of the <i>Rifle, Ross Mk II</i> to use the <i>Sight, Sutherland Mk II</i>. Some internal improvements were made as well. The original sliding button safety and the magazine cut-off were retained, along with the 28 inch barrel and the stylish older rear hand-guard. None of this model were newly manufactured. All were converted from <i>Rifle, Ross Mk II with Sight, Ross Mk III</i> or the later <i>Rifle, Ross Mk II<sup>4</sup>*</i>. Some 26,000 were converted from 1910-1912. 20,000 were sold to the United States in Nov, 1917.
+
This rifle was an adaptation of the <i>Rifle, Ross Mk II</i> to use the <i>Sight, Sutherland Mk II</i>. Some internal improvements were made as well. The original sliding button safety and the magazine cut-off were retained, along with the 28 inch barrel and the stylish older rear hand-guard. None of this model were newly manufactured. All were converted from <i>Rifle, Ross Mk II with Sight, Ross Mk III</i> or the later <i>Rifle, Ross Mk II<sup>4</sup>*</i>.
  
 
<b>Rifle, Ross Mk II<sup>4</sup>*</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk II<sup>4</sup>*</b><ref name="Phillips, J. 2005"/>
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<b>Rifle, Ross Mk II<sup>5</sup>*</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk II<sup>5</sup>*</b><ref name="Phillips, J. 2005"/>
The last of the Mk II line would be produced using the <i>Sight, Sutherland Mk I</i> and simplified rear hand-guard of the <i>Rifle, Ross Mk II**</i>. The 28 inch barrel, sliding button safety, and magazine cut-off were retained. Starting in 1910, some 15,000 were manufactured.
+
The last of the Mk II line would be produced using the <i>Sight, Sutherland Mk I</i> and simplified rear hand-guard of the <i>Rifle, Ross Mk II**</i>. The 28 inch barrel, sliding button safety, and magazine cut-off were retained.  
  
 
<b>Rifle, Ross Mk III</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk III</b><ref name="Phillips, J. 2005"/>
For all practical purposes, the <i>Rifle, Ross Mk III</i> was an entirely new design. It incorporated the 30.5 inch barrel and flag safety of the <i>Rifle, Ross Mk II**</i>, taking that re-design much further. The internal double-stack magazine was replaced with an exposed single-stack magazine. The "dump loading" lever was gone, and a charger guide was added for loading with stripper clips. A magazine cut-off was employed, but the design that lowered the magazine shell was discarded and replaced by one that restricted the rearward travel of the bolt. The bolt-stop plunger was replaced by a flag lever with 3 positions (cut-off enabled, bolt release, cut-off disabled). The bolt was far sturdier and had multi-thread locking lugs. A new rear sight designated the <i>Ross Battle Aperture</i> was installed on the bridge of the receiver rather than on top of the barrel. World War I increased demand, and at least 235,540 were produced for Canadian forces.
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For all practical purposes, the <i>Rifle, Ross Mk III</i> was an entirely new design. It incorporated the 30.5 inch barrel and flag safety of the <i>Rifle, Ross Mk II**</i>, taking that re-design much further. The internal double-stack magazine was replaced with an exposed single-stack magazine. The "dump loading" lever was gone, and a charger guide was added for loading with stripper clips. A magazine cut-off was employed, but the design that lowered the magazine shell was discarded and replaced by one that restricted the rearward travel of the bolt. The bolt-stop plunger was replaced by a flag lever with 3 positions (cut-off enabled, bolt release, cut-off disabled). The bolt was far sturdier and had multi-thread locking lugs. A new rear sight designated the <i>Ross Battle Aperture</i> was installed on the bridge of the receiver rather than on top of the barrel.
  
 
<b>Rifle, Ross Mk IIIB</b><ref name="Phillips, J. 2005"/>
 
<b>Rifle, Ross Mk IIIB</b><ref name="Phillips, J. 2005"/>
The British government chose to purchased a version of the <i>Rifle, Ross Mk III</i> with a far simpler rear sight known as the <i>War Office Pattern Sight</i>. The stock was also strengthened. Some 66,590 were produced.
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The British government chose to purchased a version of the <i>Rifle, Ross Mk III</i> with a far simpler rear sight known as the <i>War Office Pattern Sight</i>.
  
Note: A <i>Rifle, Ross Mk III*</i> may have existed, employing a strengthened action, new front barrel band, and different front sight. The one source mentioning it considers the designation dubious.<ref name="Hogg p177">Hogg and Weeks 2000, p. 177.</ref>
+
Note: A <i>Rifle, Ross Mk III*</i> may have existed, employing a strengthened action, new front barrel band, and different front sight. One source mentioning it considers the designation dubious.<ref name="Hogg p177">Hogg and Weeks 2000, p. 177.</ref>
  
 
==Military redesignations==
 
==Military redesignations==
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* Knap, Jerome, "The Saga of the Ross Rifle" in ''Guns & Ammo'', Vol. 20, No. 6, June 1976 (Petersen Publishing)
 
* Knap, Jerome, "The Saga of the Ross Rifle" in ''Guns & Ammo'', Vol. 20, No. 6, June 1976 (Petersen Publishing)
 
* Nesbit, Roy Conyers,''Arctic Airmen'' (Kimber, London, 1987)
 
* Nesbit, Roy Conyers,''Arctic Airmen'' (Kimber, London, 1987)
* Paddock, Howard P., ''Description and Management of the Ross Rifle .303 Military Model'' (Tenth Infantry, NYG, Albany, New york, 1918, reprinted on demand by ReInk Books/SN Books World, New Delhi, India 2018)
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* Paddock, Howard P., ''Description and Management of the Ross Rifle .303 Military Model'' (Tenth Infantry, NYG, Albany, New york, 1918)
 
* Phillips, Roger F., Dupuis, François J., and Chadwick, John A., ''The Ross Rifle Story'' (J. A. Chadwick,1984, Reprinted by Leonard, Michael W. 2002, ISBN 0973241608)
 
* Phillips, Roger F., Dupuis, François J., and Chadwick, John A., ''The Ross Rifle Story'' (J. A. Chadwick,1984, Reprinted by Leonard, Michael W. 2002, ISBN 0973241608)
 
* Phillips, Roger F., Knap, Jerome, ''Sir Charles Ross And His Rifle'' (Museum Restoration Service, ISBN 0919316115)
 
* Phillips, Roger F., Knap, Jerome, ''Sir Charles Ross And His Rifle'' (Museum Restoration Service, ISBN 0919316115)

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