Swiss K31 Straight-Pull 7.5x55 Rifle History - RifleShooter
https://www.rifleshootermag.com/editorial/swiss-k31-straight-pull-rifle-history/459022
WebMar 22, 2022 · The 7.5x55 cartridge is in the .308 class, and the load for the K31 was the GP 11, named for Gewehrpatrone 11 after its finalized design in 1911. The Berdan-primed cartridge features a still-modern 174-grain spitzer boattail at about 2,650 fps. Ammunition came in 60-round battle packs with six 10-round boxes, and the clips hold six rounds.
DA: 31 PA: 64 MOZ Rank: 77