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The 7.5×55mm Swiss / GP 11 cartridge (designated as the 7.5 × 55 Suisse by the C.I.P.) [8] has 4.22 ml (65 grains) H 2 O cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions.
The Swiss Military manual for the Karabiner Modell 31 using standard issue 7.5×55mm Swiss GP 11 ball ammunition in a fixed mounting mentions the expected accuracy of fire at various ranges. The following table lists accuracy statistics for typical in service K31 rifles firing 7.5×55mm Swiss GP 11 service ammunition.
Schmidt–Rubin Model 1889 rifle chambered for the GP11 7.5×53.5mm cartridge. The Model 1889 was the first in the series of Schmidt–Rubin rifles that served Switzerland from 1889 to 1958. The rifle takes its name from the designer of its action, Colonel Rudolf Schmidt, and the designer of its ammunition, Colonel Eduard Rubin.
Eduard Alexander Rubin (17 July 1846 – 6 July 1920) was a Swiss mechanical engineer who is most notable for having invented the full metal jacket bullet in 1882. His most famous cartridge was the 7.5×55mm Swiss which was the standard ammunition for the Schmidt–Rubin, K31 and Stgw 57 military rifles.
The buttstock and stock tube are angled downward rather than straight inline with the receiver. SG 510-5: .30-06 Springfield (7.62×63mm) experimental rifle made for testing by the Mexican Government. SG 510-6: 7.5×55mm Swiss test batch of rifles based on the SG 510-4 in the Swiss military chambering intended to replace the heavier Stgw 57 ...
Most straight-pull rifles have a striker firing mechanism (without a hammer), [citation needed] and models using a hammer usually have a comparably longer lock time than hammer-less mechanisms. The Anschütz Fortner action used in biathlon is a good example of an ergonomical straight-pull rifle with good economy of motion and high operating speed.
Pages in category "7.5×55mm Swiss firearms" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. 0–9.
On the CIP's CD-ROM (Version 2003) only the 7,5 x 55 Swiss is mentioned. Swiss is no CIP member state and hence does not recognize any CIP rulings and proofed its military 7,5 x 55 rifles chambered in the most recent version of their service cartridge (GP11) at 150% of their Pmax piezo pressure. CIP rates the 7,5 x 55 Swiss (GP11) at 380 MPa.