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Smoke from an 1889 Schmidt-Rubin? Smokeless, "semismokeless" and black powder comparison!

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4y Dec 31, 2016
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Despite having destroyed and laid waste utterly to the bad gen from the English-language literature about Swiss 7.5x53.5 mm GP90 being semismokeless, The Bloke sets up a comparison, just because. Using original 7.5x53.5mm GP90 bullets in his 1889 Schmidt-Rubin, he loads 4 cartridges:

1x 32gn RS40, modern smokeless powder,
1x 31gn PC88 charge from an original GP90,
1x 30gn Swiss No.2 black powder to simulate semismokeless,
1x 65gn Swiss No.4 black powder.

The results are unsurprising. But the comparison is interesting all the same.

Earlier vids on the GP90 question:
https://www.youtube.com/watch?v=l5VCbIfsmAQ
https://www.youtube.com/watch?v=R3uxz2hfrB4&t=3s

About Bloke on the Range

Firearms history, blokesplaining firearms mechanics, mythbusting, shooting sports and kitschy sketches all in one place. An often dry and sarcastic look at whatever takes the Bloke's and the Chap's fancy in the world of guns and shooting.


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