Yes, there is....................
100-400
100-300 USD
KNIGHT
1/4 mile and then some
50-350 usd
You can download a manual at the Knight website, address is in the links below.
No.
They both fire the 50 BMG
Depends on where you live, and WHICH .50 cal. California has banned rifles that fire the .50 Browning Machine Gun cartridge. Other state have not. Please note there are several .50 cal firearms- including .50 caliber muzzleloading black powder rifles.
The LK-2 is selling for around $140-$175. There are other models of Knight, however. Which do you have? sales@countrygunsmith.net
The hopper will, but it won't be able to fire them.