I have been reloading for the AR with surplus 846 powder and now have been told there may be jamming problems because it is a "Dirty" powder..I guess Stoner designed it for use with 4895 or similar non ball powder. Anyone ever loaded with a graphite ball powder and had any problems?...I come from the M-1 crowd as far as reloading and 846 has always worked fine,but has a much different gas setup....Thanks for your input....Charlie