It is muzzle loader time already in michigan, so i dug out the stuff to go shoot today. All of the load data i can find says to use no more than 100 grains of 777 in a 50 caliber rifle. but, on the website, and the earlier stuff it says to reduce all loads by 15% from regular black powder loads. 4 years ago, when i bought this rifle, i did not read the load data, and loaded several rounds at 150 grains of 777 using 240g hornady xtp's with a sabot. There was no ill effects from it, and if another shooter hadnt come along, i may have been shooting that load today. Anyway, my gun is rated as a magnum, so 150 grain bp loads are fine. But 150g of 777 certainly is not the correct load. If i reduce my 150g rating by 15% i get 127.5g max load. At some point in time, i settled on 120g, probably from shooting for accuracy. But this 100 grain maximum load reccomendation that is in their literature keeps bugging me. so, the question is, do you think that 120g is to much??? the accuracy shooting i did was a couple of years ago, in warm weather. So i am going out today to make sure it is still spot on. My thoughts are that if it shoots 120g just fine in warm weather, it should not pose a threat in cold weather. Also, the powder is at least 3 years old. I am no balastician or rocket scientist, and my memory certainly is not what it used to be. So, i would like your input please.