.27 Nosler

Monday, August 27th, 2018

.27 Nosler

There is not a lot of information on the .27 Nosler caliber available. However, it is known that the .27 Nosler was changed from the .26 Nosler. While the case lengths are the same the shoulder datum point was changed for a shorter dimension. This allows the cartridge to stay within 3.340 max OAL with a design around the longest ogive for each caliber. In essence the larger the size necessitates the shortening of the brass. The most important reason for the change in shoulder length are to prevent cross caliber chambering.

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