In .22 cal it's rated at 1000 FPS
4/100's of an inch. .50 cal = .5 inch .54 cal = .54 inch
Rodents
50-150 USD
Remington didn't make a model 54, Winchester did but not in 22 (that I know of), Marlin model 54 is a shotgun.
1 and 48 twist
Difficult to answer. For a standard cartridge, it is probably the Ruger .204, with a claimed muzzle velocity of 4225 FPS. However, the Remington Accelerator in 30-06 (firing a .25 cal bullet held in a plastic sabot) claimed speed of around 4500 fps. There have been a few wildcat loads that claim around 5000 fps- which is about at the limit of acceleration that smokeless powder can produce.
no but you can still find as new around
50-300 USd
The speed of a bullet can vary depending on the type of ammunition and firearm used. On average, bullets travel at speeds ranging from 900 feet per second (fps) to over 3,000 fps. Some high-powered rifles can propel bullets at speeds exceeding 4,000 fps.
The RWS is made by Dianawerk (Diana) The model 45/45S Post World War II is rated 550 FPS for the .22 caliber. Current value is determined by the condition of the rifle today. If it is the 45 or 45S model and if it came with scope and sling. It was Manufactured between 1978-1988 The recent model 45 /45S (1988-2004 ) is rated at 800 FPS for the .22 cal. It is basically a restocked model 34.
There is a .50 replacement barrel on Gunbroker.com