Talk:Gw Pat.90

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The factual accuracy of this page is in dispute. The Gw Pat.90 series of cartridges incorporates a projectile that is 5.56 mm (not 5.6 mm) in diameter. Corrections had been made in this article to this effect, but had been censored by an individual claiming to be a Wikipedia officer, who has threatened to lock me out of access to further modification if I persist in truthful assertions contrary to his/her stubborn ignorance.

Please see Talk:Gun politics in Switzerland for additional information on this subject, including a wealth of Web links to the manufacturer's Internet publications on the GP90 series of rifle ammunition.[1]

I think it's likely that you are both right; different agencies and countries seem to measure caliber differently. See Table_of_pistol_and_rifle_cartridges. For example, 7.65 mm Browning = .32 ACP, but 7.65 mm Parabellum = .30 Luger. I have heard differences can arise because some calibers are measured on the bullet, some on the chamber, some on the widest point of the barrel, and others on the narrowest point of the barrel. But I am not a gun expert :) The photo of the cartridge box does clearly show it's labeled 5,6mm though, so clearly the Swiss consider it 5.6mm Identity0 10:48, 22 January 2006 (UTC)

"From the Sig 550 page: Although this calibre is designated as 5.6 mm, it is actually interchangeable with standard 5.56 x 45 mm NATO ammunition." From http://www.ruag.com/ruag/juice?pageID=91585 , the manufacturer: "With the GP90 for the Swiss Army we are producing the world's most precise standard military ammunition of calibre 5.56 x 45mm."--Thatnewguy 01:06, 8 June 2006 (UTC)