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Topic: Caseless ammunition


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In the News (Thu 31 May 12)

  
  News | Gainesville.com | The Gainesville Sun | Gainesville, Fla.   (Site not responding. Last check: 2007-10-22)
Caseless ammunition is firearm ammunition that aims to eliminate the metal case that typically holds the primer, or igniter, and the explosive charge ("gunpowder") that propels the bullet.
In typical caseless ammunition designs, the powder, primer, and bullet are held together with a binding agent.
Caseless ammunition would be beneficial to infantry forces owing to its lighter weight.
www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=caseless_ammunition   (796 words)

  
 Caseless ammunition: the future is now. - Encyclopedia.com
Rounds of today's caseless small arms ammunition differ from the small arms ammo we all know, in that there is no primed brass or steel cartridge case to hold the powder and bullet.
Caseless rounds currently under development and testing instead consist of a cylinder of solid propellent that holds the projectile and primer and which leaves no fired case requiring extraction and ejection.
Caseless ammunition can be a great deal lighter and cheaper than conventional rounds, because the heaviest--and most expensive--component of present ammunition is the brass or steel cartridge case.
www.encyclopedia.com /doc/1G1-153517316.html   (829 words)

  
 Means for and method of providing a fire protection for a caseless ammunition - Patent 4010690
Adjacent rounds of caseless ammunition are packaged in close proximity to one another and a flaming round can engulf an adjacent round and set off a chain reaction, leading back to the ammunition storage container.
In accordance with the invention, a method of providing a fire protection casing for a caseless ammunition round comprises the steps of encasing the round in a heat sink material and covering the heat sink material with an outer coating of an intumescent material.
Also in accordance with the invention, a fire protection casing for a caseless ammunition round comprises an intumescent composite which completely encloses the ammunition round and, said composite material includes a longitudinal flap which may be mechanically engaged for stripping the casing from the round.
www.freepatentsonline.com /4010690.html   (1422 words)

  
 [No title]
Horsesoldier RE:Telescoped Ammunition 3/10/2006 7:46:48 AM Overall length of the round is reduced essentially by constructing the round more like a shotgun shell, with the projectile contained down in the round (which is then oversized in terms of diameter to accomodate the same volume of propellant and such).
Regarding the rectangular ammunition, there's a slight problem with that since you've still got to handle the breech pressure - in the region of 600 MPa, or 6000 bar - and sharp corners are significant stress raisers.
Would it, for example, be possible to have a rectangular shaped caseless ammunition that would be malleable and jamming it into the chamber would cause it to take on the shape of the chamber.
www.strategypage.com /messageboards/messages/1-9354.asp   (1113 words)

  
 Trends in Small Arms and Light Weapons Development: Non-Proliferation and Arms Control Dimensions
Caseless ammunition was developed to improve burst shot capability by eliminating the extraction process, thereby lessening the propensity of the weapon to climb during automatic fire.
From a SALW control perspective the ammunition is a matter for some concern (particularly from the law enforcement perspective) due to its ability to penetrate police protective gear.
The simplicity of the P 90 and the fact that its ammunition is essentially a 5.56 mm bullet in a different casing suggests that both could easily be manufactured in any country currently capable of producing SALW and ammunition.
www.dfait-maeci.gc.ca /arms/isrop/research/declerq_1999/section13-en.asp   (1873 words)

  
 [No title]
(c) "Cartridge" or "ammunition" means the entire body, consisting of a bullet and a casing, of any form of ammunition that is designed and manufactured for the express purpose of being fired or discharged from, or the primary use of which is the firing or discharge from, a handgun, rifle, or shotgun.
For ammunition manufactured or produced outside of the state, the list shall be submitted so as to be received by the Attorney General at least 14 days prior to the date on which the cartridges arrive in the state.
The estimate shall be based upon the number of boxes of ammunition packaged and distributed in the state by the manufacturer the previous year, or as otherwise provided by the Attorney General for a manufacturer that has not operated for a year prior to registration and licensing.
info.sen.ca.gov /pub/93-94/bill/asm/ab_2501-2550/ab_2546_bill_940502_amended_asm   (5981 words)

  
 Propellants in caseless ammunition - Patent 4239073
Caseless ammunition propellant, and more particularly, compositions of HMX, RDX, ammonium bitetrazole, ammonium picrate, or ammonium nitrate with binders of methacrylate, and urethanes.
Ammunition made with conventional smokeless powders, such as nitroglycerine, are not suitable, particularly for caseless ammunition, because of their low ignition point and low thermal stability.
Propellants, suitable for caseless ammunition, comprise at least one oxidizer selected from the group consisting of HMX, RDX, ammonium nitrate, ammonium picrate and ammonium bitetrazole, and a binder which synergistically reacts with the oxidizer.
www.freepatentsonline.com /4239073.html   (1046 words)

  
 Caseless ammunition Details, Meaning Caseless ammunition Article and Explanation Guide
Caseless ammunition is firearm ammunition that aims to eliminate the metal case that typically holds the primer, or ignite, and the explosive charge ("gunpowder") that propels the bullet.
Caseless ammunition would be beneficial to infantry forces due to its lighter weight.
Other possible caseless systems might involve loading only projectiles and using a chemical or other explosive agent that could be ignited by the weapon rather than mechanically.
www.e-paranoids.com /c/ca/caseless_ammunition.html   (265 words)

  
 HKPRO:  The Caseless PDW   (Site not responding. Last check: 2007-10-22)
NATO document AC225 dated April 16th, 1989 indicated that there was a requirement for a "Personal Defence Weapon" for the post 2000 period.
As an ancillary project to the G11 rifle, a project was started that at least conceptualized a handgun that fired a smaller caseless projectile than the G11 rifle.
I think that even with as little as is now known about the new 4.7 x 30 caliber PDW using conventional ammunition, that the requirements for this type of weapon have not changed, and the only major difference in the new PDW and this concept is conventional v.
www.hkpro.com /g11pdw.htm   (182 words)

  
 Steve Jackson Games Forums - Caseless Ammunition
Cased ammunition, in fact, had gone out of style and was extremely rare (being about as common as caseless ammo is today).
The reason caseless weapons aren't popular today is that it is very difficult and expensive to produce a weapon with a pre-sealed breach.
Caseless ammunition could possibly be made that early if one of the formulas was rediscovered {some of an Explosive Chemists' papers were found in a fallout shelter etc} and didn't require too much specialised equiptment to make.
forums.sjgames.com /printthread.php?t=8505&pp=40   (2042 words)

  
 NCJRS Abstract - National Criminal Justice Reference Service
The use of caseless ammunition by criminals may complicate the work of criminal investigators; whereas in standard ammunition the propellant is contained in metal casing with the bullet at its front end and the primer at its rear, hardened chemical propellant replaces the casing in caseless ammunition.
All ammunition components are consumed when the rifle is fired, except for the plastic end cap and the copper booster cup which exit the muzzle upon firing.
Additional study of caseless ammunition is recommended until public safety risks posed by the new technology are determined.
www.ncjrs.gov /app/publications/Abstract.aspx?id=149665   (400 words)

  
 G11 - Definition, explanation
The ammunition is also designated as 4.92 mm because in Germany the caliber of a bullet is measured by the size of the base of a bullet, the barrel chamber though is 4.73 mm and the bullet is compressed to that size when fired.
Ammunition cook-off (ignition of the ammunition by heat in the weapon) was a problem with early prototypes; the brass (or steel) case of conventional ammunition plays a major role in absorbing heat and preventing the propellant from igniting prematurely.
The advantages that caseless ammunition could provide are counterbalanced by the added logistics imposed by the non-compatibility of such a system with more traditional munitions.
www.calsky.com /lexikon/en/txt/g/g1/g11.php   (940 words)

  
 MSN Encarta - Romania
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 [No title]
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 THE GUN THAT NEVER WAS: Heckler & Koch G11
Among the many requirements for the rifle were that it carry 50 rounds of ammunition (to reduce magazine changes), have a flat trajectory through 300 meters (to facilitate rapid aiming), have a high degree of accuracy when firing 3 round bursts (for improved lethality), and weigh less than 10 pounds with 100 rounds of ammunition.
The rifle itself is relatively straightforward (the G11 fires from the "closed bolt" position, and the breech is gas piston operated), with the exception of the rotating breech/chamber cylinder.
While there have been no recent reports about caseless ammunition technology, there may come a time when the G11's innovations are included with future rifle upgrades, here in the US or elsewhere.
www.military.com /soldiertech/0,14632,Soldiertech_G11,,00.html?ESRC=dod.nl   (1725 words)

  
 Caseless ammunition at AllExperts
Other possible caseless systems might involve loading only projectiles and using a chemical or other explosive agent that could be ignited electrically by the weapon, rather than mechanically.
Rounds of this kind of ammunition do not hold up in wet climates or under the stress of combat conditions and tend to stress poorly in magazines and high rate of fire weapons, often breaking or otherwise disintegrating.
Ejecting the hot, empty casing removes that heat from the weapon, avoiding problems with "cooking off" (premature firing of rounds due to a weapon's extreme heat) of unfired ammunition.
en.allexperts.com /e/c/ca/caseless_ammunition.htm   (663 words)

  
 Defense Tech: The Naked Cartridge
Caseless ammunition discards the brass and instead molds the propellant around the bullet, giving a lighter and more compact round.
Posted by: James at April 17, 2007 01:18 AM The one other problem of caseless ammo is that the brass of ammo used now carry away heat from firing.
Caseless rounds require an external obturator, and deleoping one that can handle automatic or even rapid fire, and that has a reasonable longevity and is scaled to small arms has proved somewhat problematic.
www.defensetech.org /archives/002282.html   (730 words)

  
 HKPRO:  The G11
With caseless, extraction and ejection would be eliminated from the firing sequence, and the mechanism would then be able to operate much faster.
HITP stands for High Ignition Temperature Propellant, and sought to solve one of the many problems that would be obvious with caseless ammunition, that of cookoff, where the temperature of the chamber is hot enough to fire the round alone.
Caseless ammunition in the Voere sporting rifle is already a reality and available for the consumer.
hkpro.com /g11.htm   (1333 words)

  
 [No title]
Grishnak RE:caseless ammo 9/1/2002 2:49:31 PM the jacket of a caseless round is still in the vicinity of the discharge.
Another advantage of caseless ammo is that you don't need to extract and eject the spent case; this is probably the major cause of unreliability.
One of the huge advantages of caseless ammo is the potential for greater simplicity and thus reliability of the weapon.
www.strategypage.com /militaryforums/1-219.aspx   (2438 words)

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