This COL gauge is simple to use and works as intended. The components are made of plastic so you have to be gentle with them. The design is good and gauge should last a long time if handled carefully. I have used this gauge numerous times and get good repeat-ability with it. I'm a Quality Technician by trade and earn my living doing precision measuring, so I feel more than qualified to write this review.
Verified purchase: Yes | Condition: New
The concept and idea for this is simple and quite easy to measure the maximum cartridge length for any bullet-caliber combination for the reloader seeking more accurate ammunition. I measured the results from this instrument against results using dummy rounds chambered to allow the bullets to touch the lands of the barrel. The numbers from the dummy rounds were 2.155in with a spread of about 2 thousandths of an inch. The Frankfort instrument gave numbers from 4 to 6 thousandths spread from the 2.155 in. range. Care must be taken when using this instrument so as not to put too much pressure on the plastic and get reading errors. If this product were made of steel instead of plastic it would work much better and be much more reliable. If you want accuracy many reading should be taken and averaged out to get a final number. It is sufficient for the average reloader seeking to know the COAL length of any caliber-bullet combination. Anyone with minimum fabricating skills could easily make one of these using steel.Read full review
Verified purchase: Yes | Condition: New
If you are looking to custom fit ammo to your rifles chamber by measuring over all cartridge length spend your money on something better quality.. on the package it show brass cleaning rod tips they are soft plastic. The indicators their selves are all so soft plastic I was really concerned about tighten the up enough to hold circularly because they were flexing so much. I tried three different times on the same barrel and got three different readings they are definitely not ridged enough or even close to it to get an accurate reading
Verified purchase: Yes | Condition: New
The item works well and gives good results. For the price, the hardware should be made from metal. I don't have high hopes for longevity. It does however work very well.
Verified purchase: Yes | Condition: New
A simple but useful tool
Verified purchase: Yes | Condition: New
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