BK7saum
12-01-2014, 05:00 PM
Well, since I picked up the Single Seven this morning I went home for lunch and just had to shoot it. Fired about 12 rounds. All I can say is...Wow, that was fun. H108 loads and no leading with BHN 24 boolits.
I dropped a pin gauge down the bore. There was no apparent thread choke.
I was a little surprised when I gauged the chambers though. All chambers will allow a 0.315 minus gauge, but there appears to be a constriction of the chambers at the cylinder gap. The 0.315 passed all the way to the front of the cylinder but would not exit the last few thousandths of the chamber. It's as if the chamber mouth is burred, but it can't be by much at all since a 0.314 gauge will pass through.
Not sure if I should try to hone the last bit of burrs out or just shoot the thing. I suspect that they will eventually go away with plenty of shooting. Again, the good thing is no leading of cylinder, forcing cone or barrel.
I did not get a chance to slug the bore. I might not trouble myself with it since the 0.314 boolits with Ben's Red showed no hint of leading.
Anyway, just wanted to post an update and get an opinion about the size of the chamber mouths. I saw where someone posted similar info but can't find it now to compare.
BTW, I did not have any issues with the loading or unloading of the pistol. Mine may have an enlarged frame cutout, but there is maybe 1/16-1/8" of cylinder play where I was able to easily load and unload 32 H&R ammo.
Brad
I dropped a pin gauge down the bore. There was no apparent thread choke.
I was a little surprised when I gauged the chambers though. All chambers will allow a 0.315 minus gauge, but there appears to be a constriction of the chambers at the cylinder gap. The 0.315 passed all the way to the front of the cylinder but would not exit the last few thousandths of the chamber. It's as if the chamber mouth is burred, but it can't be by much at all since a 0.314 gauge will pass through.
Not sure if I should try to hone the last bit of burrs out or just shoot the thing. I suspect that they will eventually go away with plenty of shooting. Again, the good thing is no leading of cylinder, forcing cone or barrel.
I did not get a chance to slug the bore. I might not trouble myself with it since the 0.314 boolits with Ben's Red showed no hint of leading.
Anyway, just wanted to post an update and get an opinion about the size of the chamber mouths. I saw where someone posted similar info but can't find it now to compare.
BTW, I did not have any issues with the loading or unloading of the pistol. Mine may have an enlarged frame cutout, but there is maybe 1/16-1/8" of cylinder play where I was able to easily load and unload 32 H&R ammo.
Brad