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  • 45 Caliber Gator Gas Checks

.41 BSS Caliber Gator Gas Checks


 Product Description

The .41 BSS copper Gator Checks are the heavy or thick version with a shank size of .381, also known as the .41 NEI and .41 MM. Known to work with NOE molds.

The gas checks are sold in resealable clear plastic bags. Shipping is based on each item's weight. USPS postage rates are calculated in the shopping cart. 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 $9.75, 500 for $17.50 and 1000 for $31.00. 


Please Note: There are three different gas checks for 40-41 cal. molds and one especially for 40 caliber molds.
#1 .41 Lyman type, the shank will measure .397.
#2 .416 Rifle – the shank will measure .393.
#3 .41 BSS – the shank will measure .381.
#4 .40 BSS is a gas check especially made for .368 shank 40 caliber NOE bullet mold.

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. Perfect fit for my NOE mould. 5 Star Review

    Posted by on Mar 25th 2018

    I made an "oops" and ordered regular 40 cal first and they are waay to small for this NOE shank: the old Star attached 'em but shaved a little lead from the shank while doing it. These are just perfect.



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