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Posted: 4/26/2009 4:37:00 PM EDT
[#1]
I will take a stab at it.... (someone correct any errors)
A real M4 is full auto capable carbine with a collapsible stock, and a 14.5 inch barrel that has cuts to allow mounting of an m203 grenade launcher. Many companies make semi-auto "versions"... An ar15 is any number of rifles based off the semi-auto adaptation of the m16/m4. Definition too broad to really get in to... AR10 is an ar15 that has been up scaled to cartridges which do not fit in the ar15 or m16 receivers. (Think .308). As of right now there isn't really a military use AR10. They're looking at them though.... Hope that helped and welcome! |
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Posted: 4/26/2009 4:37:50 PM EDT
[#2]
AR-15 is the generic name for the 5.56 mm rifle invented by Eugene Stoner which was adopted as the M16A1 and all of it's derivatives. The AR-15 name was trademarked by Colt and was used for its semi-auto versions. The M4 carbine is an AR-15/m16 rifle with a 14.5" (in its military garb) with a cutout for mounting a grenade launcher. Basically a shortened version of the rifle. The AR-10 is similar to the AR-15 but in 7.62 NATO (.308) caliber.
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Posted: 4/26/2009 4:49:48 PM EDT
[#3]
Quoted:
I will take a stab at it.... (someone correct any errors) A real M4 is full auto capable carbine with a collapsible stock, and a 14.5 inch barrel that has cuts to allow mounting of an m203 grenade launcher. Many companies make semi-auto "versions"... An ar15 is any number of rifles based off the semi-auto adaptation of the m16/m4. Definition too broad to really get in to... AR10 is an ar15 that has been up scaled to cartridges which do not fit in the ar15 or m16 receivers. (Think .308). As of right now there isn't really a military use AR10. They're looking at them though.... Hope that helped and welcome! the ar 10 was actually looked at back in vietnam before the m16a1 however they could not stabilize the design and in one test had a round come through the handgaurds of the rifle during a full auto test 
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Posted: 4/26/2009 5:30:10 PM EDT
[#4]
So the way it sounds my DPMS 16" barrel semi auto is really an AR15 even though DPMS calls is an M4? No idea if it has a cut out for grenade launcher.
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Posted: 4/26/2009 5:36:17 PM EDT
[#5]
Quoted:
So the way it sounds my DPMS 16" barrel semi auto is really an AR15 even though DPMS calls is an M4? No idea if it has a cut out for grenade launcher. Many use the terms "M4" and "M-forgery" to refer to a general carbine configuration, similar to the real M4's: collapsible stock, shorter barrel, etc. |
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Posted: 4/26/2009 5:40:12 PM EDT
[#6]
Quoted:
I will take a stab at it.... (someone correct any errors) A real M4 is full auto capable carbine with a collapsible stock, and a 14.5 inch barrel that has cuts to allow mounting of an m203 grenade launcher. Many companies make semi-auto "versions"... An ar15 is any number of rifles based off the semi-auto adaptation of the m16/m4. Definition too broad to really get in to... AR10 is an ar15 that has been up scaled to cartridges which do not fit in the ar15 or m16 receivers. (Think .308). As of right now there isn't really a military use AR10. They're looking at them though.... Hope that helped and welcome! I thought you did a fine job 'splainin. BD |
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Posted: 4/26/2009 5:50:15 PM EDT
[#7]
Quoted:
AR10 is an ar15 that has been up scaled to cartridges which do not fit in the ar15 or m16 receivers. (Think .308). As of right now there isn't really a military use AR10. They're looking at them though.... Depends on which AR-10 you're talking about. The AR-15 was designed by scaling down from the original AR-10. Then there was a AR-10A variant derived from the AR-15 and scaled up. And then you have the modern day AR-10 which is a scaled up version of the modern day AR-15. It's true that our military doesn't use the AR-10 pattern but they do use the Knight SR-25 pattern rifle for their SASS rifle. I don't believe the original AR-10 is in use by any military today. |
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Posted: 4/26/2009 5:54:21 PM EDT
[#8]
Quoted:
So the way it sounds my DPMS 16" barrel semi auto is really an AR15 even though DPMS calls is an M4? No idea if it has a cut out for grenade launcher. Some companies will label their rifles/uppers as M4 for exactly that reason, the M203 cutout. They do this even with 16" uppers, a real M4 or M4A1 will have a 14.5" barrel. |
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Posted: 4/26/2009 5:56:28 PM EDT
[#9]
The AR-10 was the first Eugene Stoner design from Armalite (NOT the same Armalite company that sells AR-15's today). It was submitted as a prototype for testing in competition for replacing the Army's M1 Garand Rifle. It used a 7.62mm cartridge.
Armalite over-ruled Stoner about the barrel and went for a space age barrel that was a composite of aluminum and steel. The barrel burst during torture testing. Thus, Springfield Armory's M-14 won the competition. The M-16 was based off the AR-10, but used the 5.56mm cartridge. AR-10 was brought back as a civilian version updated to look a lot more like the AR-15, but has larger parts to deal with the bigger cartridges. |
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Posted: 4/27/2009 7:33:01 PM EDT
[#10]
This is some very interesting information. I am glad I asked now.
Anyone happen to have a picture of this M203 cutout on the M4 so I can see what you are talking about? |
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Posted: 4/27/2009 8:10:29 PM EDT
[#11]
Red circle:
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Posted: 4/28/2009 5:38:00 AM EDT
[#12]
Ok I always wondered what that was there for.
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Posted: 4/28/2009 6:45:21 AM EDT
[#13]
AWESOME! I want to play the red circle game!
just what in the f** is the purpose of this flat? 
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Posted: 4/28/2009 6:51:53 AM EDT
[#14]
Quoted:
AR-15 is the generic name for the 5.56 mm rifle invented by Eugene Stoner which was adopted as the M16A1 and all of it's derivatives. The AR-15 name was trademarked by Colt and was used for its semi-auto versions. The M4 carbine is an AR-15/m16 rifle with a 14.5" (in its military garb) with a cutout for mounting a grenade launcher. Basically a shortened version of the rifle. The AR-10 is similar to the AR-15 but in 7.62 NATO (.308) caliber. I thought that AR-15 was trademarked by Armalite. |
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Posted: 4/28/2009 6:57:11 AM EDT
[#15]
Quoted:
Quoted:
AR-15 is the generic name for the 5.56 mm rifle invented by Eugene Stoner which was adopted as the M16A1 and all of it's derivatives. The AR-15 name was trademarked by Colt and was used for its semi-auto versions. The M4 carbine is an AR-15/m16 rifle with a 14.5" (in its military garb) with a cutout for mounting a grenade launcher. Basically a shortened version of the rifle. The AR-10 is similar to the AR-15 but in 7.62 NATO (.308) caliber. I thought that AR-15 was trademarked by Armalite. "The trademark "AR15" or "AR-15" is registered to Colt Industries" |
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Posted: 4/28/2009 7:03:45 AM EDT
[#16]
Quoted:
AWESOME! I want to play the red circle game! just what in the f** is the purpose of this flat? http://themocoman.centelia.org/m4socom.png That is a SOCOM profile barrel used in the M4A1 (full auto). It is heavier under the HGs and needs those flats for mounting the M203 Standard M4 barrels are lighter profile under there and don't require the additional flats |
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Posted: 4/28/2009 7:20:09 AM EDT
[#17]
Colt got the license right from Armalite (Fairchild) for $75,000 after they lost the Military contract to M-14 in 1959.
What a deal |
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Posted: 4/28/2009 9:43:33 AM EDT
[#18]
Very simply and very generally, an AR-15 is the semi-uto version of the M-16, an M4 is the carbine (shorter) version of the M-16/AR-15 and an AR-10 is an AR-15 style rifle that will fire a larger round, usually a .308. Wikipedia has good info about all of these that is easy to understand and not overly technical. Here is a link to the AR-15 article, you can find the others througfh that.
http://en.wikipedia.org/wiki/AR-15 |
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Posted: 4/28/2009 10:12:46 AM EDT
[#19]
The spelling
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Posted: 4/28/2009 10:32:14 AM EDT
[#20]
Quoted:
AR10 is an ar15 that has been up scaled to cartridges which do not fit in the ar15. Wrong! The M16 was downsized from the original ArmaLite/Fairchild AR-10 "A". |
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Posted: 4/28/2009 10:35:50 AM EDT
[#21]
Quoted:
It's true that our military doesn't use the AR-10 pattern... The AMU has, and I believe still does, use the current ArmaLite AR-10. Also, it's my understanding that our military, as well as the militaries of some of our allies use ArmaLite AR-10's in limited duty. The 10th Mountain ordered several copies about 5 years ago. Canada uses them much more... |
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