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Peterson Cartridge has earned a strong reputation among precision handloaders, and this 7mm Remington Magnum brass is a prime example of why. These are unprimed cases in the standard SAAMI-spec configuration that headspaces off the belt, giving you a clean, consistent foundation to build loads for hunting or long-range target work. The 7mm Rem Mag has been a go-to magnum since Remington introduced it alongside the Model 700 back in 1962, and good brass is the first step to getting the most out of it.
Peterson runs small-batch production with tight quality control, and it shows up in the little things that matter at the bench. Case walls, primer pockets, and flash holes are held to close tolerances, which translates to more uniform ignition, less runout, and better velocity consistency downrange. That consistency is what helps a handloader wring repeatable, sub-MOA groups out of a good rifle.
Since these cases ship unprimed, they are made for folks who like to control the whole process. This brass uses a large rifle magnum primer, which suits the slow-burning powders most 7 Rem Mag loads call for. As with any new brass, it is smart to resize, trim to length, and check your case mouths before loading so everything is squared up for your chamber and bullet choice. From there you can prime, charge, and seat to your preferred recipe.
Proudly made in the USA, Peterson brass is engineered to hold up through multiple firings when you treat it right, so you get real value over the life of each case. Whether you are loading heavy, high-BC bullets for the long game or building a dependable hunting load, this is the kind of brass that rewards careful prep with consistency you can count on shot after shot.
This is the standard SAAMI-spec version (part number 40045-R) that headspaces off the belt, just like factory 7mm Remington Magnum chambers expect. Peterson also makes a separate Long variant that headspaces off the shoulder for extended case life, but that is a different product. If your rifle is a standard factory chamber, this is the one you want.
These are unprimed cases, so they are meant for handloaders who want to prep and prime to their own specs. You will resize, trim to length, and prime before loading. They do not come with primers, powder, or bullets.
This brass uses a large rifle magnum primer, which is the standard choice for the 7mm Remington Magnum. The magnum primer pairs well with the slow-burning powders this cartridge typically runs for consistent ignition. Always follow published load data for your specific powder and bullet combination.
Yes, it is good practice to full-length or neck size, trim to a uniform length, and inspect the case mouths before your first loading. This squares everything up for your chamber and bullet and helps you get the most consistent results. A quick prep pass is standard for any new match brass.
| UPC | 810068270662 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 40045-R |
| Caliber/Gauge | 7mm Remington Magnum |
| Length | 7.0500 |
| Quantity | 50 |
| Shipping Weight | 2.3 |
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