Author Topic: undersized throats  (Read 671 times)

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Offline buffalo

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undersized throats
« on: March 15, 2009, 03:01:45 PM »
Verl- I have an S+W 460V that has cylinder throats that are tight.When I firelap the barrel will the throats be releived or should I have them reamed out? thank you

Offline Veral

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Re: undersized throats
« Reply #1 on: March 15, 2009, 05:20:05 PM »
  Cylinder throats are going to get only one lap each for 6 in the barrel, so the effect of firelapping on the cylinder throats is negligable.  Instructions with the LBT bore lap kit explain in detail how to polish cylinder throats out to the size needed, before lapping the barrel.
Veral Smith