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Make
sure to scroll down to see the rest of our website |
Please
take careful note when ordering. If
you are purchasing a single gauge you most likely do NOT want a GO gauge.
This size is used when rechambering or rebarreling a rifle and is not
a tool to be used for checking existing headspace. You need a NO-GO
or FIELD gauge for this. The
various gauge specs are explained in detail below in the section titled
"What is headspace and why should I check it?" |
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7.62x54r
Gauges |
.303 British
/ .30-40 US Krag Gauges |
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7.62x54r
GO GAUGE |
7.62x54r NO-GO GAUGE |
.303 British / .30-40
US Krag GO GAUGE |
.303 British / .30-40 US Krag NO-GO GAUGE |
7.62x54r FIELD GAUGE |
7.62x54r 3 GAUGE SET |
.303 British / .30-40
US Krag FIELD GAUGE |
.303 British / .30-40
US Krag 3 GAUGE SET |
Please
Note: The 8mm gauges we sell are for the 8mm French Lebel caliber and
NOT for the 8mm Mauser. |
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8x56r
Mannlicher Steyr Gauges |
8mm French Lebel /
Berthier Gauges |
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8x56r GO GAUGE |
8x56r NO-GO GAUGE |
8mm French Lebel /
Berthier GO GAUGE |
8mm French Lebel / Berthier NO-GO GAUGE |
8x56r FIELD GAUGE |
8x56r 3 GAUGE SET |
8mm French Lebel /
Berthier FIELD GAUGE |
8mm French Lebel /
Berthier 3 GAUGE SET |
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| Upcoming Changes To Our Shipping Process Effective May 1st 2012 we will be changing the way we deliver your purchases. Sales volume has increased to the point that we need to move away from stamps and start metering our own mail. This will eliminate 90% of the trips we make to the post office. In addition we will finally be able to offer tracking numbers on all sales. To offset the cost of the new packaging and tracking format we are going to have to slightly increase the price of our gauges. Single gauges will increase from $26.00 to $27.00, and sets of three will go from $55.00 to $56.00. The one dollar increase only covers the postage, we will not be charging extra for the improved shipping materials. |
| What's
the deal with the foam peanut in my package? The packing peanut is a way around the post office's limitations on tracking numbers. It bumps the thickness of the envelope to over 3/4" (without adding any expensive weight) thereby putting it into a first class package category and eligible for tracking. A little trick one of the window clerks at the post office told me about. There's no extra charge for the peanut. :^) |
Instructions
in .PDF format |
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| You will need Adobe Reader to open these documents | |
| 7.62x54r | |
| .303 British / .30-40 US Krag | |
| 8x56r Mannlicher Steyr | |
| 8mm French Lebel / Berthier | |
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Headspace is measured
in different ways on different calibers. For a rimmed cartridge such
as the 7.62x54R (where R stands for “rimmed”) headspace
is the distance between the bolt face and the face of the chamber where
the loaded cartridge rests. In a rimless cartridge such as a .308 the
headspace is measured to the shoulder of the cartridge. This dimension
is important for proper and safe firearm function regardless of the
type of cartridge being checked. Too little headspace will not allow
the bolt to fully close rendering the weapon unable to fire. Too much
headspace can cause excess chamber pressure, as a result of the cartridge
not being held firmly in the chamber on firing. This can be particularly
dangerous given the chamber pressures generated by centerfire rifle
cartridges.. These are to be considered GENERAL GUIDELINES and are in no way intended to be an assurance of the safety of a particular firearm. If you have doubts about a firearm’s safety and usability you should have it checked by a professional gunsmith.
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DISCLAIMER Okie Headspace Gauges assumes no liability for injury or damage caused by unsafe or improper use, malfunctions, defects, or other factors related to the use of any firearm. Our gauges are intended for use only as a preliminary inspection tool, and as such are not intended to replace a full inspection by a qualified gunsmith.. Headspace is only one of a number of factors that can affect the safety of a firearm. Okie Headspace Gauges highly recommends that any firearm, regardless of age, be fully inspected by a gunsmith familiar with the type of firearm in question prior to use.
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Copyright© 2012-13 Okie Headspace Gauges