It would have to be custom built
It depends on what caliber.
About $300. Sometimes WalMart carries them
3.5 to 4 buck bros
100-1000 USD or so
50-500 usd
When it came out it was *$17.00*
There are several manufacturers who make or have made firearms in that calibre, and cost varies greatly.
At most retailers, you can get 20 vinyl flooring tiles for between $10 and $30, and depending on the caliber of quality you would like, they can be as much as $50 for 20 tiles.
Where can I find part for a Marlin model 57 rifle .22 mag
100-1000 depending on specifics
100-1000 USD depending on specifics