These are our crimp on aluminum .30 / 7.62 mm caliber gas checks. They are made with .015 thick aluminum, so they work very well when sized .309 to .312. We are selling these direct, cut out the middle men and buy right off the press. Made to fit tight on a .284 shank.
Our gas checks are sold in resealable clear plastic bags. USPS flat rate boxes and First Class mail are used to reduce shipping cost.
Sold in 4 quantities: 100 for $3.99, 250 for $6.75, 500 for $12.50 and 1000 for $23.00
Prefer copper/gilding brass .30 Cal gas checks?
Click here for our in house made premium line .30/7.62 mm caliber gas checks: .30 / 7.62 mm Caliber .017 Copper Gas Checks
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Posted by Mike M. on May 21st 2017
If you shoot a lot of gas checked bullets you know that the check adds tremendously to the cost. Aluminum checks will save you a few bucks. Using 2 different Lee moulds and sizing to .310" in a Lyman 450 and then running them through a Lee push thru die to bring them to .309" left them crimped firmly on the bullet. I resisted aluminum checks at first, but after using them awhile I'm sold on them.
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