At 'in house' distances, less than lethal ammo will be lethal. There used to be a 12 guage blank(CIL as I recall) with the word 'blank' in big letters on the hull. Had a 2" wood fibre wad that'd go right through a 2 x 4 at 10 yards.
"...am I gonna have more issues than..." Yep. You'll be arrested, charged with attempted murder, likely aggravated assault, assault with intent, etc. Plus you'll lose your PAL and all your firearms.
"...otherwise your freshly cocked and loaded 870 may very well get used against you..." Precisely what Wendy and her like say about self-defense with a firearm.
"...am I gonna have more issues than..." Yep. You'll be arrested, charged with attempted murder, likely aggravated assault, assault with intent, etc. Plus you'll lose your PAL and all your firearms.
"...otherwise your freshly cocked and loaded 870 may very well get used against you..." Precisely what Wendy and her like say about self-defense with a firearm.