AL-7 instead of RL-7. AL-7 is slow burning shotgun/magnum pistol powder.
Back when I was a young lad of about 15 (about 1969-1970), we had a guy walk into the shop with a Remington 700, and he said he couldn't get the bolt open, even knocked the bolt handle off (they're silver soldered). His buddy was with him, with a big bandage on the left side of his face. He had a Savage 110 LH.
Both rifles were 7mm Rem Mag. They had reloaded the ammo using some "bulk IMR 4831" they had gotten. I pulled the bullet on one of the cartridges and found it had too much powder AND the wrong kind. Seems it was about 3 to 4 grains over the max for 4831, and the powder was AL-5. AL-5 is around the range of Red Dot/700X/Bullseye, and 4831 is magnum rifle powder (too slow for the .308).
The Savage was in 26 pieces, the back half of the bolt coming out into the shooter's face. The Remington was just locked up. Remington actually warranteed the barrel, receiver and bolt, and we still have them at the shop. Smart call on Remington's behalf, as they now had at least 2 lifetime customers.
It's pretty bad when a 15 year old tells you you're too stupid to reload.