Question on M4's
-
Topic author - Senior Member
- Posts in topic: 1
- Posts: 501
- Joined: Mon Feb 11, 2008 3:39 pm
- Location: Dallas, TX
Question on M4's
So I have no experience with EBRs, and am considering getting one with my tax rebate check, but have a couple questions.
What is the difference between an M4 and an AR15? I thought the M4 has a shorter barrel and is therefore more compact than the AR15, but I seem to see the two terms used interchangeably. Am I missing something here?
Any other differences? Maybe in the upper receiver?
What is the difference between an M4 and an AR15? I thought the M4 has a shorter barrel and is therefore more compact than the AR15, but I seem to see the two terms used interchangeably. Am I missing something here?
Any other differences? Maybe in the upper receiver?
-------------------------------------
Sean H.
NRA Life Member
TSRA
Sean H.
NRA Life Member
TSRA
-
- Senior Member
- Posts in topic: 1
- Posts: 416
- Joined: Wed Jun 14, 2006 10:37 pm
- Location: Houston, TX
Re: Question on M4's
The M4 is the current manifestation of the M16. Yes, shorter barrel. Technically, M4's are supposed to have select fire, but you could find some marked M4 which are semi-auto only. The AR-15 is just the "general" name for the rifle.
"We are oft to blame in this / 'Tis too much proved -- that with devotion's visage / And pious action we do sugar o'er / The devil himself."
Μολὼν λαβέ | NRA Lifetime Member
Μολὼν λαβέ | NRA Lifetime Member
Re: Question on M4's
Once you start digging into the AR-15 arena, you will discover there is a whole 'nother world of terms associated with that rifle. Like said above, it is a Barbie doll for guys. And some gals. The best all-round post I have ever run across for explaining most, if not all, of the terms, is this one:
So you want to buy an AR-15, huh? at officer.com.
Good luck. I studied up on this myself awhile back -- then I bought an AK-47.
So you want to buy an AR-15, huh? at officer.com.
Good luck. I studied up on this myself awhile back -- then I bought an AK-47.

USAF 1982-2005
____________
____________
-
- Senior Member
- Posts in topic: 1
- Posts: 964
- Joined: Thu May 01, 2008 4:47 pm
- Location: Lufkin, TX
- Contact:
Re: Question on M4's
this is a great website for AR related stuff that someone on this very forum linked me to when I first started looking for my first AR.
http://forums.officer.com/showthread.php?t=81462
edit: and apparently I pulled an obama and didn't read before posting, lol.
http://forums.officer.com/showthread.php?t=81462
edit: and apparently I pulled an obama and didn't read before posting, lol.
Glock 30 - main ccw
-
- Member
- Posts in topic: 2
- Posts: 153
- Joined: Wed Jan 21, 2009 12:17 am
Re: Question on M4's
That's the most apt analogy I've heard in a long time.AndyC wrote:It's Barbie-doll for guys ;)
I plan on stealing it.
If I had a gun for every ace I have drawn, I could arm a town the size of Abilene.
-
- Senior Member
- Posts in topic: 1
- Posts: 488
- Joined: Tue Mar 25, 2008 12:58 am
- Location: Notrees, TX
- Contact:
Re: Question on M4's
Steal this:


it's socially unacceptable to be ahead of your time.
L'Olam Lo - Never Again
L'Olam Lo - Never Again
-
- Member
- Posts in topic: 2
- Posts: 153
- Joined: Wed Jan 21, 2009 12:17 am
Re: Question on M4's
I had to redo the poster in a zombie font. :)
If I had a gun for every ace I have drawn, I could arm a town the size of Abilene.
-
- Senior Member
- Posts in topic: 1
- Posts: 4638
- Joined: Thu May 29, 2008 3:35 pm
- Location: Houston, TX
Re: Question on M4's
The only difference I noticed between the M-4 I carried and the AR-15 I just bought is the word Bushmaster on my purchase. It even came with the little plastic block you stick in the chamber that we always used on Marine Corps ranges. As noted in the extremely coolicious pic above, you can really doll-up an AR-15 though.dukesean wrote:So I have no experience with EBRs, and am considering getting one with my tax rebate check, but have a couple questions.
What is the difference between an M4 and an AR15? I thought the M4 has a shorter barrel and is therefore more compact than the AR15, but I seem to see the two terms used interchangeably. Am I missing something here?
Any other differences? Maybe in the upper receiver?
Life NRA
USMC 76-93
USAR 99-07 (Retired)
OEF 06-07
USMC 76-93
USAR 99-07 (Retired)
OEF 06-07
-
- Senior Member
- Posts in topic: 1
- Posts: 569
- Joined: Thu Apr 28, 2005 6:30 am
- Location: Humble
Re: Question on M4's
When that poster first came out and I showed it to my daughter, she added that 1911's must be "Barbie for men...the Classic edition". Would make a cool set of posters if anybody out there has the talent to create one.Backslider wrote:That's the most apt analogy I've heard in a long time.AndyC wrote:It's Barbie-doll for guys ;)
I plan on stealing it.
-
- Senior Member
- Posts in topic: 1
- Posts: 1620
- Joined: Thu Sep 04, 2008 8:27 am
- Location: Sugar Land, TX
Re: Question on M4's
There are many different variations of AR configuration. I have an A2 style myself with full length hand guards, a fixed carry handle on the upper receiver, fixed stock and a 20" barrel. The M4 configuration has 16" barrel, flat top or fixed carry handle, mid-length hand guards 7" or so, and a collapsible stock. The feed ramps on the M4 are different than an older A2 style as well. The M4 feeds ramps for the ammo are part of the barrel on the M4 where they are part of the receiver on the A2 style. A few simple differences, they all get the job done. Handle a few, notice some differences and see what fits you personally. On another note, I have an AK too and the ergonomics are horrible. I am actually changing my stock on my AK to fit an AR type stock for comfort and control.
"I am a Free Man, regardless of what set of 'rules' surround me. When I find them tolerable, I tolerate them. When I find them obnoxious, I ignore them. I remain free, because I know and understand that I alone bear full responsibility for everything I do, or chose not to do."
Re: Question on M4's
WARNING: Once you start getting into EBR's you won't be able to stop.



"Come and Take it!" - Texans, October 2, 1835
-
- Senior Member
- Posts in topic: 1
- Posts: 1621
- Joined: Thu Mar 06, 2008 12:07 pm
Re: Question on M4's
I love this! You are absolutley correct about that!!!Chuck TX wrote:WARNING: Once you start getting into EBR's you won't be able to stop.![]()
“If you try to shoot me, I will have to shoot you back, and I promise you I won’t miss!”
NRA Endowment Member
TSRA Member
NRA Endowment Member
TSRA Member