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Measured 6 chokes to find constriction for each.

Started by HogBiologist, April 03, 2011, 10:26:09 PM

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HogBiologist

I happened to have a set of calipers this weekend and decided to check all of my chokes.  I checked a Rem Modified, Rem Full, Rem SuperFull Lead only, Rem SuperFull HS*Steel*Lead, Mad Calls Super Max, and Hybrid.  All chokes were for my Rem 870.  Here is what I found when I checked them.  It is listed as Entrance Diameter, Exit Diameter, Length, Constriction.

Choke           Ent Dia    Exit Dia       Length      Constriction
Rem Mod:     .742         .709           2.032         .033
Rem Full:      .740         .689           2.031         .051
Rem SFPB     .741         .665           3.031         .076
Rem SFHTL   .735         .670           3.028         .065
Mad SM        .742         .672           4.121         .070
Hybrid          .744         .669           3.496         .075

The only 2 that checked out at what they were supposed to be were the two Rem SuperFull's.  I looked at constriction per inch but since not all chokes gradually constrict, and rather constrict fast then stabilize, I did not include that data.

Certified Wildlife Biologist

HogBiologist

I understand what you are saying.  Unfortunately I could not measure the Barrel Dia. so All I had to go in was the chokes.
Certified Wildlife Biologist