{"id":1901,"date":"2025-11-07T08:20:08","date_gmt":"2025-11-07T08:20:08","guid":{"rendered":"https:\/\/tactical-dailynews.com\/?p=1901"},"modified":"2025-11-07T08:20:09","modified_gmt":"2025-11-07T08:20:09","slug":"ammo-brief-256-newton-gun-digest","status":"publish","type":"post","link":"https:\/\/tactical-dailynews.com\/?p=1901","title":{"rendered":"Ammo Brief: .256 Newton – Gun Digest"},"content":{"rendered":"
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Have you ever heard of Charles Newton? Here we look at his .256 Newton cartridge.<\/strong><\/h2>\n

One of several high-velocity rimless cartridges designed by Charles Newton for his bolt-action rifles, the .256 Newton was introduced in 1913 by the Western Cartridge Co. Until the .264 Winchester Magnum came along in 1958, this was the only American-designed 6.5mm to be offered on a commercial basis. The last of the Newton rifle companies failed in the early 1920s, and Western quit loading Newton cartridges in 1938. The .256 Newton is based on the .30-06 case necked down.<\/p>\n

The .256 Newton has hung on as a wildcat cartridge and, occasionally, custom rifles are made for it. Cases can be made by necking down, reforming and shortening .30-06 brass. It\u2019s adequate for practically all North American big game but is not as effective as the .270 Winchester. With modern slow-burning powders, its performance can be improved over original factory ballistics. \u00a0<\/p>\n

.256 Newton Loading Data and Factory Ballistics<\/strong><\/h3>\n
\n\n\n\n\n\n\n\n
Bullet
(grains\/type)<\/strong><\/td>\n		Powder<\/strong><\/td>\nGrains<\/strong><\/td>\nVelocity<\/strong><\/td>\nEnergy<\/strong><\/td>\nSource<\/strong><\/td>\n<\/tr>\n
120 SP<\/td>\nIMR4350<\/td>\n55.0<\/td>\n2,980<\/td>\n2,362<\/td>\nNA<\/td>\n<\/tr>\n
130 SP<\/td>\nIMR4895<\/td>\n46.0<\/td>\n2,900<\/td>\n2,425<\/td>\nNA<\/td>\n<\/tr>\n
140 SP<\/td>\nIMR4831<\/td>\n57.0<\/td>\n2,890<\/td>\n2,598<\/td>\nNA<\/td>\n<\/tr>\n
129 SP<\/td>\nFL<\/td>\n\u2013<\/td>\n2,760<\/td>\n2,180<\/td>\nWestern factory load<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Editor’s Note:<\/strong>\u00a0<\/em>This article is an excerpt of\u00a0Gun Digest’s\u00a0Cartridge’s Of The World<\/a><\/em>.<\/em><\/p>\n\n

Raise Your Ammo IQ:<\/strong><\/p>\n

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