It's simply a list of factory loads that fall somewhere between a pressure level under SAAMI maximum pressure specifications to a pressure level up to maximum SAAMI pressure specifications. A list of some unsafe combinations that are well known because of somewhat similar chamber and ammunition dimensions. Gunz |  Henry Sixguns |  The Art of John Dietz Maximum Pressure ( in PSI Unless Noted) Recommended By SAAMI: T he S porting A rms and A mmunition M anufacturers ' I nstitute: H andgun: PSI: R ifle: PSI: R ifle (Cont.) Grizzly Cartridges | Cast Compared to SAAMI, CIP���s decisions are not recommendations, but rather have a power of law in the member countries. These cookies will be stored in your browser only with your consent. All Piezo measurements unless specified), SAAMI Pistol Pressure Here is a consolidate summary of all the rifle cartridges that are currently recognized by SAAMI. SAAMI ��� Z299.1 ��� Rimfire ��� 2015 (R2018) SAAMI ��� Z299.2 ��� Shotshell ��� 2015 (R2019) SAAMI ��� Z299.3 ��� Centerfire Pistol & Revolver ��� 2015. Section 4 ���Definitive Proof Loads. All Piezo measurements unless specified), SAAMI Shotgun Pressure View the latest publications and advisories, © 2021 Sporting Arms and Ammunition This brief note explains the statistics behind this value and how it applies to the real world. August 13th, 2018 It���s Official ��� SAAMI Approves Hornady 6.5 PRC and 300 PRC. By clicking "Accept" or using our website, you consent to the use of cookies unless you have disabled them. The pressures developed by this cartridge were mild at 14,000 PSI Maximum Average Pressure. T. Riekers Sporting Agency & Gun Works | Steve's A CUP value may coincide with a PSI value; for example, SAAMI lists 28,000 as maximum average pressure for the .45-70. The purpose of this is to provide a quick glance of cartridge specs for the curious mind. SAAMI was founded in 1926 at the request of the federal government and tasked with creating and publishing industry standards for safety, interchangeability, reliability and quality, coordinating technical data and promoting safe and responsible firearms use. In the U.S., voluntary pressure standards for rifle cartridges are set by SAAMI, a member of ANSI.Most other countries in the world follow the standards of Europe's CIP (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives or Permanent International Commission for the Proof of Small-arms, sometimes referred to as ��� Even though modern firearms can and are being manufactured to handle much higher pressures, the official SAAMI standard for 45 Colt ammunition is still as originally produced. We use cookies to ensure we give you the best experience on our website. It is mandatory to procure user consent prior to running these cookies on your website. Tags for this Thread. But opting out of some of these cookies may have an effect on your browsing experience. The proper name for this type of measurement is CUP, or Copper Units of Pressure. (2004) All Piezo measurements unless specified), source: http://home.sprynet.com/~frfrog2/miscellk.htm, Visit The Sporting Arms and Ammunition Manufacturers��� Institute (SAAMI®) has accepted two new Hornady-marketed cartridges, the 6.5 Precision Rifle Cartridge (6.5 PRC) and the 300 PRC. The data in the chart in no way reflects what pressure (in PSI or CUP) the listed rounds were loaded to. Purpose and Data. At almost double the standard pressure, these .45 Colt +P loads are far in excess of even the heaviest proof loads and are likely to destroy guns not specifically designed to handle them. Notably, for both cartridges, SAAMI lists a Maximum Average Pressure (MAP) of 65,000 PSI. So, in an effort to assist our customers and the shooting community at large, we have compiled the following basic information from ANSI/SAAMI Z299.2-1992, American National Standard Voluntary Industry Performance Standards for Pressure and ��� measured from the face of themuzzle to the base of the seated bullet or base of the case neck | Friends of Billy Dixon The SAAMI load-pressure chart for shotshells. The Sporting Arms and Ammunition Manufacturers' Institute. This website uses cookies to improve your experience while you navigate through the website. Bullet Works | Gunblast.Com  | Fr. Manufacturers' Institute, Inc. All rights reserved. Frog's website.. lots of good info --- http://home.sprynet.com/~frfrog/froghome.htm, Leverguns Corporation, Data from the current SAAM specs SAAMI Information and Specs SAAMI Rimfire Cartridges SAAMI Centerfire Pistol & Revolver Cartridges SAAMI Centerfire Rifle Cartridges SAAMI Shotshell European C.I.P. Note in the table that as the gauge of shotshell loads decreases in diameter, higher pressures are permitted. The 10 rules of firearms safety everyone should follow. The SAAMI cartridge and chamber drawings and velocity and pressure are available here. Standard Velocity & Pressure Test Barrels ��� General Velocity and Pressure test Barrels by Caliber. Contains Product Codes for the following: Reference Ammunition, Proof Load Ammunition, Action Proving Dummy Rounds, Copper Crusher Cylinders, Gas Checks, Supplier Contact Information. SAAMI was founded in 1926 at the request of the federal government and tasked with creating and publishing industry standards for safety, interchangeability, reliability and quality, coordinating technical data and promoting safe and responsible firearms use. SAAMI max is 24,000. Here is a consolidate summary of all the pistol calibers that are currently recognized by SAAMI. October 13th, 2014 CUP vs. PSI ��� What���s The Difference in Pressure Measurements. The purpose of this is to provide a quick glance of cartridge specs for the curious mind. The SAAMI proof pressure for this popular gas gun on the other hand is achieved with a load of 1-1/2-ounces of shot and measures between 19,000 psi and 20,500 psi, practically twice the service pressure. The ANSI / SAAMI group, short for ���American National Standard Institute��� and ���Sporting Arms and Ammunition Manufacturers��� Institute���, have made available some time ��� Please note that some are in psi and some cup, SAAMI Rifle Pressure Mega rambling warning. at Home & in the Field, http://home.sprynet.com/~frfrog2/miscellk.htm, http://home.sprynet.com/~frfrog/froghome.htm. Although the two organizations cooperate to eliminate the differences between their specs, there are still some differences mainly concerning the pressure measurement and proof testing methodology and equipment used. Montana Performance Bullets | Merit The SAAMI Maximum Average Pressure (MAP) is listed in both the Copper Units of Pressure (CUP) and the Pounds per Square Inch (PSI). Official +P pressures are established by the SAAMI for certain cartridges; in general the +P pressure is approximately 10% higher than the standard pressure (see chart below). This specification is also defined with a 4% standard deviation from the average pressure. The original 45 Colt cartridge was developed almost 150 years ago. In metallic cartridges, peak pressure can vary based on propellant used, primers used, charge weight, projectile type, projectile seating depth, neck ��� SAAMI does not have a +P+ pressure standard, but this indicates a pressure higher than the +P loading, approximately 25% higher than the standard pressure. Specifications (Maximum Average pressure) SAAMI was founded in 1926 at the request of the federal government and tasked with coordinating the industry���s technical data, creating and publishing industry standards for interchangeability, reliability, performance, quality and product safety, and promote safe and ��� PSI: 17 Rem-52,000 cup: 22 Hornet-25,000 CUP: 30-30 Winchester-42,000: 22 RF Short-21,000: 222 Remington-50,000: Repeating Arms Co.  Another, similar, method uses lead crusher pellets and the resulting pressure values are called "Lead Units of Pressure," or LUP. This category only includes cookies that ensures basic functionalities and security features of the website. View Tag Cloud. The rule of thumb formula is BHN X 1422, so a lead bullet would need to have a hardness of 18 or so to be loaded to that pressure. Specifications (Maximum Average pressure) Specifications (Maximum Average Pressure in PSI) Technical data and drawings for the new SAAMI accepted Cartridge and Chamber designs not yet included in ANSI/SAAMI Standards. You also have the option to opt-out of these cookies. SAAMI and CIP use very different methods to measure the pressure. reloading. That���s a bit higher than soft lead bullets can generally handle. Not only would repeated firing of that level of pressure damage your gun, but its recoil would probably knock you off your feet. The energy of the .40 S&W exceeds standard-pressure .45 ACP loadings, generating between 350 foot-pounds (470 J) and 500 foot-pounds (680 J) of energy, depending on bullet weight. The SAAMI Maximum Average Pressure (MAP) is listed in both the Copper Units of Pressure (CUP) and the Pounds per Square Inch (PSI). We have received many inquiries regarding shotgun shell dram equivalents, load velocities, and SAAMI pressure standards. by Philip Mahin, Sierra Bullets Ballistic Technician This article first appeared in the Sierra Bullets Blog. Both the .40 S&W and the 9mm Parabellum operate at a 35,000 pounds per square inch (240 MPa) SAAMI maximum, compared to a 21,000 pounds per square inch (140 ��� Small arms ammunition pressure testing is used to establish standards for maximum average peak pressures of chamberings, as well as determining the safety of particular loads for the purposes of new load development. This video was produced by SAAMI as part of our continuing mission to promote safety and in this case providing firefighters with fact-based information to help them address the realities of fires containing sporting ammunition. SAAMI Pistol Pressure Specifications (Maximum Average pressure) All ��� ammo pressure chart, ammo specs chart, ammunition pressure chart, cartridge pressure chart, chamber pressure chart, glock specs chart, handgun ammo pressure chart, pistol chamber pressure chart, saami pressure, saami pressure chart. The SAAMI standard MAP for the .45 Colt is 14,000 psi and .45 Colt +P ammunition is reportedly loaded to about 27,500 psi, a 97.4% increase in pressure! Necessary cookies are absolutely essential for the website to function properly. We also use third-party cookies that help us analyze and understand how you use this website. Standards: Click the link, and when the webpage opens, go to the bottom right of the chart to select one of several pages of calibers. A lot of lead 22 LR bullets are 6- 10 BHN, so that would drop the limit to 8,500-14,000. Sample Transport Data Sheets for ammunition, black ammunition, primers, and smokeless powder. These cookies do not store any personal information. This is simply an accommodation to the fact that as the square inches of the area in a shotshell decrease, the amount of pressure developed by a given powder charge to push a given shot charge weight ��� Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Copper units of pressure (CUP) and lead units of pressure are not the same; nor can they be interchanged with another common unit of pressure, pounds per square inch (PSI). In the table below, SAAMI lists the MAP as 520 (x100 psi), or 52,000 psi. 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