.250 O'Neil Magnum - Revision history

Admin at 09:33, 10 May 2026

2026-05-10T09:33:46Z

Admin at 22:42, 11 May 2023

2023-05-11T22:42:12Z

Admin at 09:08, 29 September 2022

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2022-09-20T20:07:40Z

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2022-09-20T19:55:28Z

Admin: Created page with "The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by Con Schmitt and Charles M. O'Neil, the latter being the cartridge's namesake."

2022-09-20T18:54:26Z

Created page with "The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by Con Schmitt and Charles M. O'Neil, the latter being the cartridge's namesake."

New page

The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake.

← Older revision		Revision as of 09:33, 10 May 2026
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	[[File:250-O'Neil-Magnum-oneil-275-H&H-Con-Schmitt-Charles-m-o'neil-Elmer-Keith-American-Rifleman-April-1937-FirearmWiki-Firearm-Wiki.jpg\|frame\|right\|alt=A photo of the .250 O'Neil Magnum, featured in the April 1937 issue of American Rifleman magazine.\|A photograph of the [[.250 O'Neil Magnum]] and a 200 yard grouping achieved with the cartridge. It was based on the [[.275 H&H Magnum]], necked down to .250 caliber. Photo from from [[Elmer Keith]]'s article "The .250 O'Neil Magnum" in April 1937 issue of "[[The American Rifleman]]".]]		[[File:250-O'Neil-Magnum-oneil-275-H&H-Con-Schmitt-Charles-m-o'neil-Elmer-Keith-American-Rifleman-April-1937-FirearmWiki-Firearm-Wiki.jpg\|frame\|right\|alt=A photo of the .250 O'Neil Magnum, featured in the April 1937 issue of American Rifleman magazine.\|A photograph of the [[.250 O'Neil Magnum]] and a 200 yard grouping achieved with the cartridge. It was based on the [[.275 H&H Magnum]], necked down to .250 caliber. Photo from from [[Elmer Keith]]'s article "The .250 O'Neil Magnum" in April 1937 issue of "[[The American Rifleman]]".]]

−	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.	+	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]].
		+
		+	It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.

← Older revision		Revision as of 22:42, 11 May 2023
Line 1:		Line 1:
−	[[File:250-O'Neil-Magnum-oneil-275-H&H-Con-Schmitt-Charles-m-o'neil-Elmer-Keith-American-Rifleman-April-1937-FirearmWiki-Firearm-Wiki.jpg\|frame\|right\|A photograph of the [[.250 O'Neil Magnum]] and a 200 yard grouping achieved with the cartridge. It was based on the [[.275 H&H Magnum]], necked down to .250 caliber. Photo from from [[Elmer Keith]]'s article "The .250 O'Neil Magnum" in April 1937 issue of "[[The American Rifleman]]".]]	+	[[File:250-O'Neil-Magnum-oneil-275-H&H-Con-Schmitt-Charles-m-o'neil-Elmer-Keith-American-Rifleman-April-1937-FirearmWiki-Firearm-Wiki.jpg\|frame\|right\|alt=A photo of the .250 O'Neil Magnum, featured in the April 1937 issue of American Rifleman magazine.\|A photograph of the [[.250 O'Neil Magnum]] and a 200 yard grouping achieved with the cartridge. It was based on the [[.275 H&H Magnum]], necked down to .250 caliber. Photo from from [[Elmer Keith]]'s article "The .250 O'Neil Magnum" in April 1937 issue of "[[The American Rifleman]]".]]

	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.		The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.

← Older revision		Revision as of 09:08, 29 September 2022
Line 1:		Line 1:
		+	[[File:250-O'Neil-Magnum-oneil-275-H&H-Con-Schmitt-Charles-m-o'neil-Elmer-Keith-American-Rifleman-April-1937-FirearmWiki-Firearm-Wiki.jpg\|frame\|right\|A photograph of the [[.250 O'Neil Magnum]] and a 200 yard grouping achieved with the cartridge. It was based on the [[.275 H&H Magnum]], necked down to .250 caliber. Photo from from [[Elmer Keith]]'s article "The .250 O'Neil Magnum" in April 1937 issue of "[[The American Rifleman]]".]]
		+
	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.		The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.

← Older revision		Revision as of 20:07, 20 September 2022
Line 1:		Line 1:
−	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.~~300~~ H&H Magnum]] to .25 caliber.	+	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.275 H&H Magnum]] to .25 caliber.

← Older revision		Revision as of 19:55, 20 September 2022
Line 1:		Line 1:
−	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake.	+	The '''.250 O'Neil Magnum''' was a wildcat cartridge created around 1936 by [[Con Schmitt]] and [[Charles M. O'Neil]], the latter being the cartridge's namesake. It was intended to compete with a notoriously accurate German cartridge, the [[.244 Halger]]. It was also meant to match the .244 Halger's high muzzle velocity. The concept went through many iterations with various cartridges being necked down, shoulder angles changed, and so on. This ''final'' cartridge was created by necking down the [[.300 H&H Magnum]] to .25 caliber.