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Posted: 7/11/2007 9:34:00 AM EDT

I want to build a 16 to 18 inch AR and I was wondering if there is any benifit to useing a very stiff upper reciever ,and if so what is the best . I haven't setteled on a barel yet and wouldn't mind a sugestion on that also . it will be expected to be MOA at 100 yards with a 4x scope and 75 to 77 grain ammo.

Posted: 7/11/2007 1:22:49 PM EDT

[#1]

What do you mean by stiff upper?

Posted: 7/11/2007 1:24:04 PM EDT

[#2]

i'd bet my off the shelf bushmaster would do moa at 100 with that ammo.

moa in an AR is not something that is hard to achieve.

Posted: 7/11/2007 2:08:26 PM EDT

[#3]

by stiff I mean a very solid well built forged or billet ,I have heard that some company's make an extra thick forged or billet upper but cant remember where I saw it .

Posted: 7/11/2007 3:34:12 PM EDT

[#4]

I hear good things about the Vltor MUR uppers but they are a bit pricey. I think a regular forged A3 or A4 upper would be just fine also.

Posted: 7/12/2007 1:53:37 AM EDT

[#5]

Quoted:
I want to build a 16 to 18 inch AR and I was wondering if there is any benifit to useing a very stiff upper reciever ,and if so what is the best . I haven't setteled on a barel yet and wouldn't mind a sugestion on that also . it will be expected to be MOA at 100 yards with a 4x scope and 75 to 77 grain ammo.

The LaRue A3 or M4 Stealth stripped upper are the best I've ever seen.........If you want stiff this is it.

Posted: 7/12/2007 10:32:17 AM EDT

[#6]

I have decided to get the Viltor MUR ,now to find the barrel.

Posted: 7/18/2007 6:58:58 AM EDT

[#7]

height=8

Quoted:
I have decided to get the Viltor MUR ,now to find the barrel.

Have you decided on a barrel?

Posted: 7/18/2007 9:19:01 AM EDT

[#8]

WHy don't you get the whole Vltor VIS upper? You can use any standard barrels such as CMMG, PRI.....etc.

For 18" BBLs, CMMG and PRI make good barrels.

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