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  • 45 Caliber Gator Gas Checks

.40 BSS Caliber Caliber Gator Gas Checks


 Product Description

The .40 Caliber Bullet Swagging Supply copper gas checks are for a bullet 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.


Please Note: There are different gas checks for the .41 caliber molds and one especially for .40 caliber molds.
#1 .41 Lyman - the shank size is .397 Used on .41 caliber Lyman molds and a few custom molds.
#2 .416 Rifle - the shank size is .393. These fit on .41 caliber RCBS, Saeco and some custom molds.
#3 .41 BSS - the shank size is .379. These are an improved .41 caliber gas check now used by a few custom mold makers. 
#4 .40 BSS is a gas check especially made for .368 shank 40 caliber NOE bullet mold and other custom .40 caliber molds.

 NOTE: The shank diameters may vary by one or two thousandths from the diameters listed above.

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 Product Reviews

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  1. it works great on NOE 40 cal mold 5 Star Review

    Posted by 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

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