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A Loaded Muzzle Loader

Free Stuff September 21, 2008

A Loaded Muzzle Loader

“I didn’t know it was loaded”

“I didn’t know it was loaded” is the stock expression used by those who are rudely awakened by an explosion when they pull the trigger of a any loaded firearm. Muzzle loading firearms seem to be even more prevalent in this due to the lack of observation of the chamber. They seem to be always presumed empty.

An old muzzle loader is more likely to be loaded than would at first be thought. One reason lies in its slowness of loading. This resulted in many muzzle loaders being kept loaded habitually, as the only way of keeping them ready for use. Another reason lies in the difficulty of unloading, which caused many users to put off that tedious operation and finally forget it.
It was usual to leave the cap (or priming charge, depending on the type of ignition) off …

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Owen Guns Bulletin Sept 08 No1

Bulletin September 15, 2008

Welcome to the September Edition of the Owen Guns Bulletin.


Scroll down for free Firearm Manual

We are currently publishing our new website at www.owenguns.com

Where we are in the process of listing 1000s of rifles,shotguns, handguns, accessories, and gun parts that we have for sale. Visit the website now. We also have shooting articles and important firearm information for the gun enthusiast.

Take away free gun photos and free firearm images for your gun gallery collection. New firearm related material being added every day.

Monthly Specials

Leupold 3-9x40 Variable Riflescopes

Leupold 3-9×40 Variable Riflescopes $299.

plus registered Post.

Only until Stocks last due to the stronger US Dollar. Last year we had to pay $600 for one of these. Leupold the Leading Scope in accuracy and reliability.

RCBS Great Prices, Get the Best Reloading Tools for the Lowest Price.

Reloading Equipment available at Owen Guns, Gympie.

Just One Example.

The Rock Chucker Supreme Reloading Press

The Rock Chucker Supreme Press.

The Strongest Press,

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Ammunition is Effected by Temperature

Free Stuff September 14, 2008

Ammunition is Effected by Temperature

Temperature has a marked effect on both velocity and pressure. Factory ammunition is, as a rule, rather conservatively loaded so that no danger will result even under extremes of temperature.
Twenty years ago a large quantity of 6.5 x 55 ammunition was imported into Australia, (I was responsible for a few million round of it) It was 139 grain FMJ brass case with a berdan primer I suspect made by Norma in Sweden. In normal conditions it was excellent ammunition. (I once shot a five shot.500 inch group at 200m with it). There were reports that it had blown up guns, on investigation this was not the same ammunition only the same calibre. It got everybody talking though.

A southern importer had imported blank ammunition in this calibre and had replaced the wooden blank projectiles with 140 grain soft points. This would not have been …

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Exploding Barrel Blockages

Free Stuff September 12, 2008

Exploding Barrel Blockages

Bore Blockages

Obstructions in a firearm barrel are almost certain to damage the barrel on firing.
The kind and amount of damage depend on location of the obstruction, on its mass (weight), and on the type and thickness of the barrel. A very great variety of results are possible. I have known of them killing the shooter next on the firing line, and only giving the owner of the firearm a sore shoulder. This is the extreme but it can and does happen.

An obstruction close in front of the cartridge in the chamber has the effect of increasing the chamber pressure. An obstruction in the middle or forward part of the barrel produces a local injury.
The action of an obstruction does not depend on trapping air. Experiments with coils of wire and other open obstructions resulted in damage about the same as solid obstructions of …

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Free Stuff May 23, 2008



Action: Breech mechanism of a firearm, by which it is loaded and unloaded, and which houses most of the moving parts.

Airgun: Not a firearm but a gun that uses compressed air or CO2 to propel a projectile. Examples: BB gun, pellet gun, CO2 gun.

Ammunition: This generally refers to the assembled components of complete cartridges or rounds i.e., a case or shell holding a primer, a charge of propellant (gunpowder) and a projectile (bullets in the case of handguns and rifles, multiple pellets or single slugs in shotguns). Sometimes called “fixed ammunition” to differentiate from components inserted separately in muzzle loaders.

Antique: By federal definition, a firearm manufactured prior to 1899 or a firearm for which ammunition is not generally available or a firearm incapable of firing fixed ammunition.

Anvil: In a primer or cartridge case a fixed point which the priming mixture is crushed, …

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Glossary For Optics

Free Stuff May 22, 2008

Optical Glossary

A lens classed as achromatic has been formulated to be free of chromatic aberration, which causes colour fringing. An achromatic lens, or achromat, achieves identical focus with light rays of two different colours.

Apochromatic lenses are corrected to bring all three primary colours to the same focus.

Aberration in a lens or optical system that makes lines oriented in certain directions less sharply focussed than lines running in other directions. Astigmatism also occurs in the human eye. A typical astigmatic effect would be to see the vertical lines on a sheet of graph paper sharply while seeing the horizontal lines less clearly, or vice versa.

In scope sights with ends flared to accommodate large-diameter ocular or objective lenses, the oversized lens housings are referred to as bells, as in ocular bell or objective bell.

Binocular Collimation
Regulating the two halves of a binocular for …

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Explosives Glossary

Free Stuff May 21, 2008


Alarm: a signal given by an EDS that indicates to the operator that a detection of explosive material has been made. For a technological system such as an IMS the alarm might be either audio (e.g., a buzzer sounds) or visual (e.g., a message on a computer screen). In the case of a canine, the alarm is some form of behaviour by the dog which the handler interprets as a detection.

Alarm resolution: the process by which an operator determines whether an alarm is the result of a threat item being present, or whether in fact there is no threat item present.

Alarm threshold setting: the signal level above which an EDS is set to alarm. An EDS may make a detection of an amount of explosive below the alarm threshold setting, but it will then be assumed that the signal obtained is either (1) …

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Range Glossary

Free Stuff May 21, 2008


Back Stop 
Sometimes called Butts or Butt stop, generally a raised area that prevents bullets or projectiles leaving the range.

Backing Cards 
Card behind scoring targets to either increased vision of the bullet hole or confirm amount of shots in one hole.

Bench Rest 
Heavy table equipped with a Rifle Rest and Sand Bags for Bench Rest competition or sighting in firearm to zero.

Bullet Blocks 
Wooden blocks used to stand ammunition in.

Bullet Catcher or Collector Systems
Situated at the stop butts that prevent ricocheting bullets or projectiles from leaving the range area.

Area behind a raised mound with an underground trench to allow.

Butt Markers
People who score and change the targets for shooting competitors.


Cease Fire!
Range Officers Order to Stop shooting.

Ear Protection 
Ear Muffs or plugs, both have as high safety rating,. (red box or packet) Many shooters using low …

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