I had the same thing happen a couple of years ago. I had a lb of RL-15 that was too slow, a lb of RL-19 that was too slow and a lb of RL-22 that was too fast. I broke down and added a five lb jug of each to add to my powder order. The powder out of the five lb jugs seems to be perfect in matching what the manuals say and do better in my rifles also. All are made in Sweden like my Winchester WXR which is very close to the RL-22. BM
Bill
This weekend,I took all the different cans I had of each powder number,and blended each Powder number together so it is now all the same. At least it will take care of my "lot to lot" variation for a while.
Posts: 3994 | Location: Hudsonville MI USA | Registered: 08 June 2000
I've noticed that Reloder-7 is very touchy so to speak, but most powders designed for the smaller cartridges are. Mostly I use Reloder-19 in my 6.5x55 and 6mm Rem. It performs quite well from one container to another, and my accuracy with it has been superb. Best wishes.
RE 15 is NOT the powder adopted for the 7.62X51mm NATO round. Both 4895 and several different ball powders with about the same burning rate as 4895 are the powders used in the 7.62 NATO. RE 15 may be similar also, but it did not even exist when the 7.62 NATO was being developed.
Quote: The bottom line is, buy only in lots large enough to load everything you ever want to load in a particular caliber/gun,... But don't buy a pound and work up a good load, then expect that the next pound you buy will perform the same.
I'm so new at reloading that I haven't gone through a pound of anything, but I was wondering if this also an issue with other manufacturers powders? I spend a lot of time working up and tweaking loads and would hate to have to start over when I buy more powder. I'm currently loading with IMR-4064; H-4350 and IRM-4831.
I have never had these problems with IMR powders, but it can conceivably happen with ANY make of powder! That's the reason for the cautioopn to work up a load over again when ANY component is changed!
