(BAR)wrote
Boater wrote:
CalifBill wrote:
"Boater" wrote in message
...
Calif Bill wrote:
Dry firing a double action revolver is a good way to learn how to
control
the trigger finger. I was taught to do so by one of my cop brothers
while
on a firing range. It makes firing the revolver a distinctly two step
pull
of the trigger finger and greatly helps accuracy.
--
John H.
Use a snap cap when practicing.
I wonder what you guys think the business end of a firing pin hits when
there is no round in the chamber of most centerfire semi-autos?
I know what it hits in my SIG when there is no round chambered.
Nothing.
I'll leave it to the gun geniuses in here to figure out why.
It is not a repeated over and over movement. Bigger problem is the
hammer incorporating the firing pin.
Oh, really? Gee, on my SIG the hammer doesn't "incorporate" anything
except itself. It kinda sticks "out there" on the back of the pistol. It
is a lever. Now, a lot of semi-autos don't have external hammers. GLOCKs
don't.
Here's an animation of a more simplified process. If there is no round
in the chamber, the firing pin strikes...nothing. If it strikes nothing,
it is unlikely to "break" during a dry fire.
http://www.m1911.org/images/searanimHR.gif
Here's an animation of a GLOCK:
http://www.sniperworld.com/content.a...ld_Glock_Index
You can see that if there is no round in the GLOCK, the firing pin
strikes...nothing.
Next?
The tip of the firing pin strikes nothing, what happens to the shoulders
of the firing pin do they hit anything? The firing pin is not just a rod
it is a machined part.
Let me go and disassemble my M1911 and take out the firing pin and look
at it.
I don't shoot Glocks or Sigs, and never really cared for them too much,
just a preference.
Dry firing a 1911 doesn't really matter to much on the pin itself, but
its a good way to flatten out the firing pin spring prematurely.
For the most part, snaps caps used in semi autos are for teaching
purposes, Staggered in the magazine. They're primarly used to show the
shooter when flinching.
Same can be done with revolvers, but I stand by my earlier statement
that its not a good idea to dry fire revolvers with spurred hammers
without snap caps, again not so much because of the firing pin itself,
but the roll pin.
I'm done. UD