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  Head space gauges.
« on: April 28, 2012, 12:18:18 PM » by bond
Hi Guys,

I have a .22Lr rifle and have to check the chamber, can anyone tell me where I can

Borrow / Hire the Go and Not Go head space gauges ?

Any help or pointers will be appricated.

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  Re: Head space gauges.
« Reply #1 on: April 28, 2012, 19:23:58 PM » by kelinu
Maybe you can try by asking a local gunsmith.
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“Keep your friends close, and your enemies closer”
― Sun Tzu

  Re: Head space gauges.
« Reply #2 on: November 05, 2013, 13:39:55 PM » by bergerbullets
What exactly do you want to find out in a 22lr chamber?
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range it, dial it, squeeze the round off.
Certified Precision Rifle Handloader, Basic & Advanced- Russell Simmonds Reloading School - UK

  Re: Head space gauges.
« Reply #3 on: November 05, 2013, 14:22:43 PM » by RB
It's considered better for accuracy if the bullet is actually engaging the rifling when it is chambered, i.e. were you to extract the unfired round, there would be rifling marks engraved on the head.

With a non-match chamber this would not be the case however.

In other words you don't really have any headspace worries with a 22LR, as too little is a good thing, you generally have too much, which you can't fix without rechambering.

There are downsides to match chambering however, and that is extraction of unfired rounds, they can stick inside there due to the fact that the head is wedged in the rifling. Not the end of the world, just an annoyance.

RB
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The Bright Side: "Sir! We're surrounded!" - "Excellent! We can shoot in any direction!"

  Re: Head space gauges.
« Reply #4 on: November 06, 2013, 08:51:56 AM » by oneshotbandit
It's considered better for accuracy if the bullet is actually engaging the rifling when it is chambered, i.e. were you to extract the unfired round, there would be rifling marks engraved on the head.

RB

Without going off topic RB taking the bullet out to the rifling is a question of bullet preference, i.e.,whether the particular bullet type or brand prefers that kind of treatment. Furthermore in boat tail bullets you tend to sacrifice contact area with the case neck and end up with inconsistent ignition.

On the topic of .22 though it is fact that any barrel above 16" is enough to burn the powder in a 22 round and the main factor is more chamber concentricity and the uniformity of loaded rounds.
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  Re: Head space gauges.
« Reply #5 on: November 06, 2013, 15:01:33 PM » by RB
It's considered better for accuracy if the bullet is actually engaging the rifling when it is chambered, i.e. were you to extract the unfired round, there would be rifling marks engraved on the head.

RB

Without going off topic RB taking the bullet out to the rifling is a question of bullet preference, i.e.,whether the particular bullet type or brand prefers that kind of treatment. Furthermore in boat tail bullets you tend to sacrifice contact area with the case neck and end up with inconsistent ignition.

22LR is the subject...  Wink

RB
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The Bright Side: "Sir! We're surrounded!" - "Excellent! We can shoot in any direction!"

 (Read 1726 times) [1]
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