Reeder Custom Guns - Here is our 280 GNR cartridge which is apparently

Gary Reeder
Here is our 280 GNR cartridge which is apparently
Tuesday, January 21, 2025, 16:35

the same as the new 7mm Backcountry. In the pic the 3rd from the left is the 280 GNR, which is ballistically about the same as the 7mm Backcountry, but looking at their ballistics the 280 GNR is 200 FPS faster.
In the pic, left to right is the 257 GNR, 277 GNR, 280 GNR, 310 GNR, 8mm GNR, 338 GNR, 350 GNR, 366 GNR, and 378 GNR. All based on the 405 case.
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There is a new "King of Cartridges" coming from Federal - Gary Reeder, 2025-01-21, 15:34
- 80,000 psi in a special metal case?! No thanks. (nm) - WB, 2025-01-21, 17:25
  - It will be interesting to see if it lasts. - Jim Taylor, 2025-01-22, 09:30
- No honor among thieves…300 Whisper? (nm) - SPB, 2025-01-21, 17:01
- Here is our 280 GNR cartridge which is apparently - Gary Reeder, 2025-01-21, 16:35
  - I remember Bob Baker at the Y-O seeing a .378 GNR in my belt - WB, 2025-01-22, 08:50