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Posted: 1/4/2003 11:26:36 AM EST
Hello,

I make a new try under this section:(already post in an other forum)

I'm from Belgium and real M4 barrel are very difficult to find here so I'm thinking to modify my 16" heavy barrel to a Mil spec M4 barrel. I not only want an 14.5" barrel with the step cut but also a lightweight barrel under the handguard... Yes I know I’m difficult but… ;-)
I have a lathe to do the job...

So if someone have blueprint or know where to find them on the web or can give me the good dimensions...

Thanks

GREG.
Link Posted: 1/5/2003 12:59:16 AM EST
Greg Shouldn't have mentioned you were from Belgium.I live in the U.K. and the guys in the U.S. dont think we are allowed to have these in Europe! Did you want exact dimensions or just have the look?If it's the latter,take a look at the DPMS site on the barrel page.They show a 14.5 M4 style barrel.I would suggest keep the same chamber dimensions and profile and reduce the diameter under the handguard and portion in front of the front sight to no smaller than 16mm.Add lib on the angles say 30 degrees to the bore centreline and step the portion just in front of the sight to what looks good.The threaded portion is 1/2" UN typically but depends on your flash supressor of course.Your gas port might need opening up a touch to get it to cycle-increase in 0.25mm steps from std until it does. [NI]
Link Posted: 1/5/2003 1:11:44 AM EST
Ok, thanks for the infos. Effectively I just want the look. GREG
Link Posted: 1/5/2003 4:11:31 AM EST
[Last Edit: 1/5/2003 4:14:21 AM EST by imcoltsguy]
It's not that we don't want you to have them, guys, we're just jealous that you can have some of the toys we can't have (or can only have after federal registration)! Much of the US has good gun laws overall, but even though Europe and Canada may have a few laws we here wouldn't like, there are a few of yours we would prefer--suppressors, short barrels, no "pre-ban" regs, etc.... I don't think anyone on here was ignoring your post. We just may not have known how to respond, not knowing your laws about creating short barrels and so forth. I don't personally know the dimensions but the answer above seems to be a good way to proceed if you don't find them. Good luck with your project.
Link Posted: 1/5/2003 5:40:19 AM EST
Greg, I may sound naive but for my own curiosity, why is it so difficult for you to get barrels? Why can't you purchase a barrel or an upper from someone on this list and have him ship it to you? What laws are in place in Belgium (or internationally) that prevents this? Marc
Link Posted: 1/7/2003 9:21:36 AM EST
Hello, First, I don't think there are peoples on the list who just don't want to give some infos. Some may eventually don't answer asking themselves if it's legal to me to have this sort of material and I can understand this point of view as it's subject to some restriction in USA. Yes, it's legal in Belgium, the barrel length on any firearms sell in Belgium don't have any matter. (Sorry for you US Boys [;)]) But every thing is not that good, You can buy as many upper you want and us we need the same permit for a barrel, a bold, a slide, a frame or a lower receiver as for a complete firearms. On both side of the river have pro. and con. You can tell me just ask the licence but we are also limited on the number of guns we can own without specials security measures (complete electronic alarm whit connection to a specialised security service (really expensive in Belgium) and an house who will more look like a bunker... (All doors and windows must be armoured and once again it's too expensive...) The maximum is 30 but you need to ask special paper to your state governor and you local police every time you pass a pack of 5 firearms and it take months to have it) I already have 28 so... have to take care what I’m buying... And I don’t speak about all the paper works to do the have the import licence in Belgium it will take at least 6 months... no kidding! So for me it’s more interesting to convert my Colt Match target HBAR II to an M4 than buy a new barrel… Voilà!!! GREG.
Link Posted: 1/7/2003 11:13:12 AM EST
I have a Bushmaster contract M4 barrel that I'll measure when I get home.
Link Posted: 1/8/2003 9:01:44 AM EST
Beforehand, thank you very much. GREG.
Link Posted: 1/8/2003 10:48:01 PM EST
[img]http://mysite.verizon.net/vze1nzcr/ar15/bush145.gif[/img] The top line is length from the edge of the barrel extension. The numbers between the lines are the lengths of the individual sections. The numbers below the barrel are the diameters of the sections pointed out. I tried as well as I could, but I probably don't have the most accurate measuring tools. It's in inches, multiply by 25.4 to get millimeters.
Link Posted: 1/9/2003 7:37:30 AM EST
Jetlag, Thank you very much [:)] GREG.
Link Posted: 1/9/2003 9:41:26 AM EST
[Last Edit: 1/9/2003 9:42:19 AM EST by FAHR451]
Well done Jetlag,old chap.Let's hope the rest of our cousins in the US follow your example! Now as for UK Firearms laws.........!?*&!)(*^%$! [NI]
Link Posted: 1/9/2003 1:38:15 PM EST
JETLAG, I am definitely impressed. Thanks for helping out. GDGREG, I just saw a non-Colt M4 barrel which is not tapered under the handguards, but has the "step" that everyone wants. That might save you some machining time and get the same "look" if that's what you're after. But JETLAG's measurements are definitely the real thing. Good luck with your project.
Link Posted: 1/9/2003 1:48:36 PM EST
Jetlag, DAMN NICE drawing. -hanko
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