The .40 Caliber Bullet Swagging Supply copper gas checks are for a shank size of .368.
The gas 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 $9.25, 500 for $16.49 and 1000 for $30.99.
Posted by Don on Feb 18th 2018
I us it on a 200 grain 40 cal bullet for my 10 mm 1911 and it works great I couldn't be happier you have great stuff Thanks
All prices are in USD.