Liam-1990 Posted September 22, 2012 Report Share Posted September 22, 2012 Have recently bought a little side x side from a mate for 60 quid, Dont know much about it and would like to know more, what chamber length is how old it is ect. All I know about it is Its a Baikal model 58ma (I think) and made is USSR printed on the right barrel is 12 70 18| 2 M(0,5) 65MPa 900kg left barrel 12 70 18| 2 F(1,0) 900kg there is no date printed on but the first letter of the the serial No is X Can any one give me any info Thanks Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 12X70 means a 12 gauge with 70 millimeter chamber, ie 2 3/4 inches 18.2 is the diameter of the main part of the barrel, which is approx 0.720 inch 65mpa is the service pressure, so the gun is suitable for ammo producing up to 650 bars, which means basically norma F1,0 is full choke Quote Link to comment Share on other sites More sharing options...
Liam-1990 Posted September 22, 2012 Author Report Share Posted September 22, 2012 Thanks for that any idea what the M0,5 half choke maybe ? Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 12X70 means a 12 gauge with 70 millimeter chamber, ie 2 3/4 inches 18.2 is the diameter of the main part of the barrel, which is approx 0.720 inch 65mpa is the service pressure, so the gun is suitable for ammo producing up to 650 bars, which means basically norma F1,0 is full choke Imported from USSR in the 70's Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 Yeah it will be f1,0 - means 1 millimeter over the 18.2 of the bore So M0.5 - will be 1/2 a millimeter over the 18.2 of the bore, so half choke Quote Link to comment Share on other sites More sharing options...
Liam-1990 Posted September 22, 2012 Author Report Share Posted September 22, 2012 Thanks thats really helped me also if its rated for 650 bar what sort of cartridges can I put through it am I limited ? Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 650 is the sevice pressure, the proof pressure is 30% higher Be ok with 2 3/4 standard cartridges eg pheasants loads, won't be putting anything much heavier through it Quote Link to comment Share on other sites More sharing options...
Liam-1990 Posted September 22, 2012 Author Report Share Posted September 22, 2012 what about 36grm BB ? Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 Check the box, you don't want to put more than 10,000-12,000 psi through it, ever cartridge is different, tried to have a look online but didn't find the psi anywhere Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 Yeah will be Iok, any 3" shell shouldn't be more than 11,500 psi, so it'll l hand any 3" cartridge Quote Link to comment Share on other sites More sharing options...
Gerry31 Posted September 22, 2012 Report Share Posted September 22, 2012 1 bar is equal to 14.2 psi therefore 650x14.2 this is the service pressure Quote Link to comment Share on other sites More sharing options...
Liam-1990 Posted September 22, 2012 Author Report Share Posted September 22, 2012 good I dont want it blowing up in my face, Ive bought it for my friend to use until he gets his licence and then he can have it for his first gun so dont want it to brake. thanks for the help Quote Link to comment Share on other sites More sharing options...
EdSolomons Posted September 22, 2012 Report Share Posted September 22, 2012 Yeah will be Iok, any 3" shell shouldn't be more than 11,500 psi, so it'll l hand any 3" cartridge Not if it has 70mm chambers it won't! Quote Link to comment Share on other sites More sharing options...
Shoot-rhino Posted September 22, 2012 Report Share Posted September 22, 2012 Yeah right enough 2 3/4 Quote Link to comment Share on other sites More sharing options...
hillmouse Posted September 23, 2012 Report Share Posted September 23, 2012 NEVER believe what you read on a forum regarding proof marks. Good gem above there, go on stick a 3" magnum in your 2 3/4" Baikal. Its only 5mm longer so that won't hurt. Doesnt mention the few hundred bar increase in breech pressue though does it? Probably be absolutely fine in the real world, especially in a Baikal, but there is a world of proper information available on the internet without people having a wild stab at it. When you are trying to dial for an ambulance with the shredded blackened stumps of your fingers and one eye missing you'll wish you had compared the proof marks on the gun with the information on the cartridge. Quote Link to comment Share on other sites More sharing options...
Liam-1990 Posted September 23, 2012 Author Report Share Posted September 23, 2012 I dont intend to put anything more than 2 3/4 in the gun, but 650 bar does seem a little low does the 900kg not mean 900kg per sqaure cm ? Quote Link to comment Share on other sites More sharing options...
maxie Posted September 23, 2012 Report Share Posted September 23, 2012 Just looked at a standard box of 70mm cartridges and they state not to be used in guns with a service pressure of less than 850bar. Quote Link to comment Share on other sites More sharing options...
mr williamson Posted September 23, 2012 Report Share Posted September 23, 2012 Take it to a gun smith mate. Then you can be sure and maybe learn abit more about the gun itself Quote Link to comment Share on other sites More sharing options...
Liam-1990 Posted September 23, 2012 Author Report Share Posted September 23, 2012 think Il nip it in gun shop with me next time i go in they have a very good gunsmith im sure he will know, thanks for all the help. Quote Link to comment Share on other sites More sharing options...
hawkfanz Posted September 24, 2012 Report Share Posted September 24, 2012 spot on liam,900kg.i used homeloaded 1 1/2 oz no1 for geese with my baikel 606 for years.had it 25 years. Quote Link to comment Share on other sites More sharing options...
wymberley Posted September 24, 2012 Report Share Posted September 24, 2012 As said, it's not wise to believe internet forum info on proof, so with a good sized pinch of salt, as kg (kg/sqcm) is proof pressure and not service, wasn't the requirement for 1 1/2 oz loads in a 2 3/4" chamber which was considered a nagnum load 1200kg? Quote Link to comment Share on other sites More sharing options...
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