The .22 LR cartridge was developed in 1886. It used the case of the .22 Long, but an improved bullet.
Iver Johnson made the Trailblazer semi auto .22 rifle
1960
1965
There were .22 'shorts' and .22 LR (long rifle) models made. Read your barrel to determine which you have.
Your marlin model 925R rifle accepts .22 long rifle ammo.It will handle any standard 22 long rifle ammo made.
The 514 was made from 1948-1970, it will shoot short, long, or long rifle (although finding longs is now becoming somewhat difficult)
.22 Long Rifle is a longer cartridge.
1971
22 bullets come in short, standard and long. Your rifle is telling you that you have to purchase .22 long shell bullets.
This lever action .22cal rifle was first made in the year 1976.I am not sure when it was discontinued.
The length- short, then long, then long rifle- also the power. Long rifle usually has a heavier bullet.
First, it is Harrington & Richardson. Second- it depends. What is marked on the gun? H&Rs were made in .22 Short, .22 long, .22 Long Rifle, .22 Special, .22 WRF and .22 Magnum.