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Showing results for tags 'chamber'.
Found 3 results
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Hi All. I have question about chamber length, I've been using 67mm cartridges with no issues, but I've just bought some 70mm, so before I use them on the metalwork under the barrel release catch is says 12-70. So 12 must be the gauge is the 70 the length of the chamber? It's a lamber sporter. Cheers
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Hello, I am relatively new to the shotgun community, but I have an important question about the first gun that I bought. The Parkemy 410 3" double barrel poacher's shotgun was the gun in question, and when I bought it the dealer said that although it had 3" chambers I can only shoot 2" 1/2 cartridges through it. I couldn't really get a straight answer as to why that was, only that it wasn't proofed for 3" cartridges. The gun has the spanish APM proof mark on it, but could it be that this gun was proofed for black powder cartridges rather that the modern nitro celulose equivalents, or could it be that the gun is fairly old so it's standard practice to shoot lighter loads through it? If anyone has any knowlegde in this field and can shed some light on it that would be very helpful. Regards Jon
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Hi Gents, I have an o/u Baikal with the following engraving on the barrels 12 - 70 900KG on the side On the Bottom it has 65 MPa. There are markings (top side of the barrels) as seen in the photo which when I used a Vernier Gauge to measure it comes to 65mm. I had this gun since 2010 and I was sure it is 70 mm chamber and have been using 70mm cartridges but now when I saw the measurement I got a bit confused especially with the 65 Mpa marking but I believe that is supposed to be the service pressure. Are these external markings relevant?
