04-01-2014, 10:27 AM
The Cadet won't take the Grendel at the designed operating pressures and getting one to extract with a rimless cartridge can be difficult, although some gunsmiths reckon it is quite easy - I don't know who to listen to there.
For the most part the 222 sized case can work at starting load pressures, but the fatter case of the Grendel will drop that even further. The problem is partly the action, and partly the size of the barrel shank - it is quite small.
I cannot really suggest another action, although some of the better 20ga shotguns are readily adapted to common rifle cartridges - I suppose it depends on the type of action the 20ga has?
For the most part the 222 sized case can work at starting load pressures, but the fatter case of the Grendel will drop that even further. The problem is partly the action, and partly the size of the barrel shank - it is quite small.
I cannot really suggest another action, although some of the better 20ga shotguns are readily adapted to common rifle cartridges - I suppose it depends on the type of action the 20ga has?