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Posted: 5/18/2004 8:45:09 PM EDT
| I'm buying a M-4 next month. From what I understand only the Colt is a true M-4. Are M-4 feed ramps a most have what do they do just make the rifle more reliable. M4arc said the Colts had oversized hammer and trigger pins could someone please explain what this matters. I was leaning towards the Armalite I thought because it had a longer gas system it was more reliable. I read somewhere that the military was having problems with the short gas system. Now I am confused on what to get. Thanks for all your help it is greatly apreciated |
I have been using carbines"Bushmaster"for 12 years the short gas tube is not an issue.The short gas tube causes the carbine to operate a bit harder just get a stronger extractor spring.The feed ramps I dont see the relevance,maybe in full auto mode or enhanced reliability with different ammo.The large pins for the fire control group is not a big deal but it is to some like me who likes every thing standardized and do not like to stock parts for having the same type rifle from different manufacturers.My biggest gripe with colt is they voluntarily made changes to the design to kiss the anti gun peoples asses,so there is no reason not to make the parts standard.There record on supporting gun rights is also as horrible as their customer service.All that aside if they made a civie rifle to standard specs and suported the shooting community and our rights more I would own a few,as a result I own Bushies for my 3 main SHTF rifles,a RRA to teach people on and a full size Armalite for CMP shoots.Barrel legnth efects reliability more than the carbine standard legnth tube does..PS....be carefull when using the M4 designation,colt might sue ya
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I heard my name!
No it doesn't. It has a standard sized (.246') front take down pin but the hammer and trigger pins are .170" instead of the .155". Colt is the only one that uses .170" hammer and trigger pins thus alienating themselves from a lot of AR fans for being PC. What this means to you and I are if we ever needed to replace a hammer or trigger we'd have to find the oversized parts...not everyone carries them but places like Brownells, SAW LE Sales and Bushmaster do. I like the mid-length gas system of the Armalite and that combined with the 16" barrel make it a sweet shooter  Don't be fooled, none of the rifles mentioned in this thread are mil-spec so find one that you like, with the features you want and go for it! Edited to add: the M4 feed ramps are cool but not a "must have". |
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Do yourself a favor and just buy a LMT upper, it is a great quality upper and has the feed ramps too. The feed ramps are not needed, but then again you don't need an AR/M4 either...  If I were getting a new upper I would get the feed ramps because it's a product improvement and it can help increase the reliability with a wider range of ammo and mags. You will never regret having the extended feed ramps but down the road you may regret not having them... |
Oh, for sure. But with some of the recent posts regarding LMT's quality control issues, I'm feeling very happy with my - affordable - CMMG M4 upper. 
CMMG uppers are offered in post-ban configurations, and all have M4 feedramps now. I would post a link, but it appears that their website is down today. |
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StewartTR, The feedramps aren't a big deal if you already have a carbine without them. I'm talking about a NEW purchase so you might as well get all the product improvements rather save $20. FC, You make a good point about the orignal poster wanting a complete post ban rifle. You are right this is something CMMG can easily do for him. |
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I have one of the CMMG 14.5" M4 uppers and it's awesome. I wouldn't hesitate to buy another one. Edited: I bought one of the CMMG post-ban M4s and that little rifle kicked ass! I ended up selling it to fund another project and now I wish I had it back. If you have a chance, look at the ones that CMMG sells. They have a great deal where you get the rifle, cleaning kit and some extras. On top of that Jeff and John are great guys to deal with. |
| M4arc I called CMMG today and talked to Jeff. They did have some pre-ban AR's but they are out of my price range. He said he could put me in a post ban M-4 made to there specs by DPMS. The gun will have 1-7 twist 4150 steel chrome moly barrel, M-4 feed ramps, forged upper and lower receiver, mil spec teflon coat for $975.00. I can buy the Armalite S.O.F. for $940.00 or the Bushmaster for $870.00. The Bushy and the Arm have 1-9 twist and no M-4 feed ramps. M4arc is this the same gun you had from CMMG? I thought the price seemed a little high don't DPMS guns run cheaper but this gun has some things the guns on DPMS web sight don't have. CMMG are only 2 1/2 hours from my house they are hosting a shoot on June 5th. If I decide to go with them i'll purchase it then. I would apreciate any feed back |
Yep that's the same post-ban M4 that I had and sold to Cornfedhusker. It rocked too! It was a great gun and I wish I hadn't sold it. The only thing about the CMMG/DPMS that people bitch about is the cast front sight. It didn't make a difference to me. I think the price of $975 includes everything you see here: CMMG/DPMS M4. In all honesty you couldn't go wrong with any of those you listed above. If you are heading there in a couple of weeks ask them to put you a complete package together and pick it up in person! |
If you want TRUE M4 goodness go with the Colt 6400C. I broke down and bought one and I coulden't be happier! The fit and finish is superb due to the QC it has to pass before going out the door. I'm confident in mine, knowing that the only difference between my rifle and what gets issued to our troops is a compensator and semi-auto only. Check out Tweak's discussion on the Colt.(4th post down) It'll answer some of your questions. |
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Bushmaster is not true mil spec?????????? Oh no!!! Someone lied to me. All this time I was so proud. Now my hearts broken. I thought that Bushmaster supplied the Military during the first Gulf war for small shipments. So that was BS. Hell I can trust anyone any longer. What the hell do I know. I guess I was just wanting it to be mil spec. 
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 I can't tell if you're joking or being semi-serious-sarcastic. Yes Bushmaster did supply a small number of M4 but that does not mean the ones that you and I bought are "mil-spec". For instance, mine Bushmaster M4 has 1:9 twist and the real M4s are 1:7. Mine does not have M4 feed ramps but the real ones do. Mine does not have an "H" buffer but the real ones do. My buffer tube is not "mil-spec", neither is my bolt carrier or FGC. However, what exactly does that mean to guys like you and me? Not a F^&king thing. It shoots great, is reliable and trust worthy. Tell me why I need a "mil-spec" M4. Tell me why everyone everyone is so hung up on "mil-spec". |
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M4arc, You're right! It really doesn't mean that much to me either. I was being semi-sarcastic, yes. I really didn't give it much thought. But...............I really did hear that it was "MILSPEC" but never truely researched it. I was once Mil Spec but I can't cut the mustard anymore.  |
It's all good  |
| Does the Colt 6400c have a chromed barrel and chamber? I found a 6400C for $900.00 N.I.B. This is a good price isn't it. I could not get my local gun store to even give me a price on the COLT he said it would be impossible to get one because they were bought out by Beretta. Is the Colt front sight bolted on like the Armalite? Leaning towards the Colt now because i found it cheaper than the Armalite. |
$900.00 seems about right. The Front sight tower is pinned. Either Colt or ArmaLite you cant go wrong |
The 6400C is chrome lined barrel and chamber. Colt's front sight is pinned on, bolted on is not correct but Armalite supplies them so you can make windage adjustments to center the rear sight. Colt being bought out by beretta is B.S. $900 NIB is a good price, I'd snatch it up real quick and in a hurry if I were you. |
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