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A+B barrel shank

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15 October 2010, 01:23
walnut
A+B barrel shank
In the Midway catalog for the A+B blanks, they show a 3/4 inch length of shoulder, if thats what it's called, for an F34 profile with 7mm bore. I e-mailed them and they said their vendor verified the measurement. How can you thread a barrel with a 3/4 shoulder and have any chamber area with a decent diameter? Are they fullofit? Has anyone bought one of these? Even Rems would have to be longer before threading.
15 October 2010, 03:20
vapodog
It is my understanding that the 3/4" is what you have left after threading the barrel.

Midway is good at returns so buy one and if it's not to your liking simply return it.....

I've only ever installed one of them and had no trouble with this measurement.


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15 October 2010, 06:02
SR4759
Take a look at a M70 Featherweight profile. The M70 also a smaller diameter thread too.