No need to remove the cylinder. If it needs maintenance to fix a problem, take it to a gunsmith
50-500 usd
You need a gunsmith.
There is no S&W with that Model number.
100-300
110.1667
661 is prime.
3√661 ≈ 8.711
661 x 1
661 x 36 = 23796
661 miles is about 1063.78 kilometres.
The total distance between the two locations is 661 miles. It will take about 9 hours and 25 minutes.
661 is spelled "six hundred and sixty one"