Loading... Please wait...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 $5.00, 250 for $8.00, 500 for $14.00 and 1000 for $26.00
Showing reviews 1-10 of 56 | Next
Posted by John Oakley on Jan 27th 2026
I Have use every commercial gas check available. These are hands down the best I have ever used. They stay together and stay on the base even after they have gone though a tree. I use the .30 cal for everything from 30-30 Winchester, 30-40 krag, to .300 (whisper) Blackout. If you cast, theses are a must have on your reloading bench!
Posted by KBH on Jan 25th 2026
I have used several thousand of Sage"s checks. This last 2K received are looking to be the best yet.
Posted by Glenn Johnson on Jul 17th 2025
These worked out very well and fit my cast bullet extremely well.
Posted by Kita on Jun 2nd 2025
Works well, improved accuracy and stopped the leading issues, good stuff
Posted by Kirt on Apr 11th 2025
Fits tightly and stays on the boolits all the way to the target.
Posted by Anthony Johnson on Jan 8th 2025
Though copper gas checks are usually preferred these gas checks are easy to work with and provide the same quality as the copper gas check. Good Product, Great Price
Posted by Unknown on Jun 23rd 2024
Best looking checks I've bought in years!
Posted by Mark Fleet on Feb 28th 2024
Have bought these several times and have always been happy with the quality. Service is also outstanding.
Posted by Unknown on Dec 18th 2023
These work 101%
Posted by Unknown on Nov 23rd 2023
I recently found a cigar box full of .30 cal 200 gr cast bullets and was curious if this would be something that I would want to invest in. I found these aluminum gas checks at a good price and decided to give them a try. They worked just as expected and that's all that I can ask of it. I would buy them again!
Showing reviews 1-10 of 56 | Next