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  • .358 / 9mm Caliber Plain Base Aluminum Gas Checks

.358 / 9mm Caliber Plain Base Aluminum Gas Checks


 Product Description

These are Plain Base gas checks. For more info on plain base gas checks click here: Plain Base Gas Checks

Made from Lithographic plate, color may vary.

The checks are sold in resealable clear plastic bags. Shipping is based on each item's weight. USPS flat rate boxes and First Class mail are used to reduce shipping cost. Most orders ship in one business day Monday through Friday.

Sold in 4 quantities: 100 for $3.99, 250 for $7.50, 500 for $15.00 and 1000 for $28.00.

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 Product Reviews

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Showing reviews 1-10 of 18 | Next

  1. Quick shipping; as described; quality product; will deal with again! 5 Star Review

    Posted by on Jan 1st 2022

    Think I covered the main points in the headline pretty well! This is my 3rd time dealing with Mr. Sage. Deal with trust!

  2. Nice to be able to add a gas check to a plain base bullet 4 Star Review

    Posted by on Mar 29th 2021

    They work great on some bullets, but are more likely to shear on some bullets designs then a brass gas check would. Also if the bullet is a little undersized it helps. Worked great on 124 grain conical at .356, but didn't like 180 grain bullets at .358 at all, hit and miss on 96 grain at .356. Wish they made them in brass as aluminum needs a little more care in handling. On my 38 and .357 bullets now I size to .356, install gas check and then powder coat, size and load.

  3. 9mm & 44mag Aluminum Gas Checks 5 Star Review

    Posted by on Mar 24th 2021

    These checks fit my bullets perfectly. Crimping them with my Lyman 450 was easy and they looked like they belonged there on the base of the bullet. I was fortunate that I just happened to check on the site to see if there was any stock and I was able to get what I needed at that time. Didn't take long till they were all gone. Shipping was very fast and I feel my order was handled very quickly.

    Thanks for your excellent help and service.


  4. Ingenious! 5 Star Review

    Posted by on Feb 24th 2021

    I bought some for a.357/38 Special PB SWC powder coated cowboy load (Marlin 1894) .. Comes out to about 161 gr per boolit with the GC at about 1000FPS in .357 cases (see Hornady load data). I can likely push them faster FPS with these GC. I also may not need the powder coat with a gas check like this, but they fit and sized just fine coated, and no leading so far.

    My best advise: It sure helps to press them up against the flat bottom of my "slightly turned" turret press first to seat them flat fully, then push them through backwards on the Lee .357 sizing die. No rips, no tears or failure to seat or grip tight. I didn't have to polish my dies either.

    I will also be trying them on my Lee 356-125-2R 6 cavity 9mm rounds next. Same as above applies, but a little more fussy with a round nose pushing backwards. This mold casts at .357 and size to .356 so far with no issues. Haven't stuffed and fired them yet, bot loving the results!

  5. 357 Plain Base Checks 5 Star Review

    Posted by on Aug 16th 2020

    Bought These to try on the Lee 358-158-RF.
    Dead easy to install, Base first through a NOE push through Sizer....

    I'll be buying LOT"S more!

  6. The .358 - 9 MM cast bullet solution 5 Star Review

    Posted by on Feb 23rd 2020

    These plain base gas checks allow me to put a gas check on a 38 or a 9MM plain base cast bullet, prior to the final size & lube process.

    They make the normal plain base moulds currently available into a GC version.

    With these plain base gas checks you get two moulds for the price of one.

    I install them onto plain base cast bullets in .005 step increments.

    This allows me to avoid the tearing that otherwise might occur if one tries to do the gas check installation all in one step.

    This gives the gas check a finished smooth look on the cast bullet.

  7. Plain Base checks are brilliant . 4 Star Review

    Posted by on Nov 5th 2018

    Getting them on was a bit tricky at first. Had to polish my sizing die chamfer/lead in surfaces with some 1200 grit emery cloth to get these to go through without ripping. I also push checks all the way on boolit base flush then run check first through sizing die with a bit of LLA. . Your process may be different but this is working for me until I can know better. They shoot great with no leading so far in 357 rifle allowing me to get gas check velocity from my plain base boolits. Bottom line is these are brilliant.. Will buy again.

  8. Works great for 9mm and .357/38 5 Star Review

    Posted by on Oct 17th 2018

    They work great for both my 9mm and my .357/38spl. The lip is wide so it catches and will tear, so I feed the bullets cup first which folds the cup around the bullet. Works for molded bullets with and without check space. I use a lee sizer and works fine with non-checked molded bullets of pure lead, however hard cast bullets don't give so the skirts tears off.

  9. PB gas checks work on all my 35 calibers 5 Star Review

    Posted by on Jul 30th 2018

    These gas checks work on 158 SWC, 140 SWC, 125 LRN and 102gr SWC. Seat and crimp nicely and stay on. Thanks.

  10. Exceptional 5 Star Review

    Posted by on Mar 30th 2018

    It works on all my 35 calibers

Showing reviews 1-10 of 18 | Next

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