OBP507 propellant... Anyone know its branded name or nearest
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All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
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paulbradley
OBP507 propellant... Anyone know its branded name or nearest
OBP507 is produced by St Marks for large scale commercial use. I was able to source a little of it for myself and it worked very well. I have tried to find out what brand name it has when marketed to sports shooters but so far no luck. From the MSDS sheets it looks like it may well be a Hogdon product but cannot confirm and more than that.. Any of you reloading gurus have any idea?
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