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Ammo Chamber Checker .300 Blackout 7-Hole
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Ammo Chamber Checker .300 Blackout 7-Hole

Product #: 70166
Price: $40.00

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Description

Material: 6061 T6 Aluminum
Finish: Black Anodized     
Length:
  3"
Width: 1.25"
Height: 2.62"

EGW’s Chamber Checkers are machined from solid 6061 T6 aircraft grade aluminum. 


While some companies use boring bars to make chamber checkers, EGW uses the actual Clymer reamers that are used to chamber barrels.

Anodized matte black for durability.

Measures min case diameter.

Measures max overall length.

Product Reviews

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Reviewed by gravesjones
05/21/2015 - 04:45:39 AM
EGW hits a home run!
Having built my first AR in 300 BLK I was having problems with my converted brass feeding properly. So, I began a search for a case gage. I tried a Wilson headspace gage but, that only told me the brass was in spec as far as length was concerned. A quick online chat with someone at Brownell's I had this wonderful tool on order. I am now making ammo that works!

The seven holes makes gauging your hand loads fast and accurate and prevents the tedious measuring of each round with your callipers.