Cartridge and chamber designs standardized by saami note This design may require the application of a lubricant or other surface treatment on the cartridge case by the ammunition manufacturer to ensure proper gun functioning Current cartridge & chamber drawing doc uments are contained within the saami standards
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They can be found here
Information on how a cartridge becomes a saami standard can be found in our informational publications
Newly accepted cartridge and chamber designs links to technical data and drawings for the newly saami accepted cartridge. Dimensional information for cartridges and firearm chambers, along with performance characteristics, is contained within the american national standards published by saami, listed below As these standards are only periodically updated, drawings for cartridges and chambers introduced and standardized by saami or revised since the publication of the most recent standard can be found here The primary work of saami is done by its technical committee in the establishment of industry standards
Product standards for firearms and ammunition are developed by two product standards task forces, one for ammunition and one for firearms Recommendations of the task forces are submitted for review by the entire technical committee 25 creedmoor (25 cm) maximum average pressure (map)* = 62,000 psi The glossary of industry terms has been compiled by saami’s technical committee to facilitate technical interchanges between members of that committee
It is not intended to provide legal definitions of the terms included, and, in light of further experience, the definitions of these terms may change
It is not intended to be comprehensive since it does not cover the full range of the. Maximum average pressure levels greater than 65,000 psi may present increased risk of unsafe cartridge case or firearm rupture and thus require cartridge case and/or firearm designs that depart from traditional practices (materials, construction, and other design criteria). 338 advanced rifle cartridge (338 arc) maximum average pressure (map)* = 52,000 psi instrumental velocity * refer to saami z299.4 for pressure guideline interpretation description.
