Our copper .454 caliber gas checks are commercial quality. We make these using a .017 thick 210 copper alloy also known as gilding brass. These .45 caliber gas checks fit tight on .426 shanks.
The checks are sold in resealable clear plastic bags. USPS flat rate boxes and First Class mail are used to reduce shipping cost. Most orders ship in one business day Monday - Friday.
Sold in 3 quantities: 250 for $8.50, 500 for $16.00 and 1000 for $30.00.
Posted by Don on Jan 8th 2018
I use them on my 454 casull they work great I shoot a 310 grain round nose flat point with 29 grains of H110 powder They hold up well
Posted by Unknown on Jul 17th 2017
I have only loaded a few thousand in .454 and .460 using this gas check, but they have worked flawless so far. I am very satisfied With them.
All prices are in USD.