LR Stands for Long Rifle. It's a larger cartridge and carries significantly more powder. The alternative to LR is a .22 short.
i have a mod tex 22cal lr with a 22 mag interchangeable barrel
Try e-gunparts.com
Contact Marlin and give them the serial #.
The acronym LR stands for Long Range.
25-100 USD, no sn data published.
25-125 USD or so
The element, Iridium
The s-l-lr, Stands for Short, Long, Long Rifle. So it is a 22Cal.
You have to be a little more specific. In what context ?
Long Reach
It may be the designers/companies initials.
I don't have enough information to answer your question. You may be shooting a .22 LR round .222 in a .22 Mag. .224 barrel in which case the .22 LR case would most likely split.