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Posted: 5/13/2003 8:24:59 PM EDT
I'm putting together thoughts for an Ultra Lightweight AR and I'm wondering how best to achieve this.

My current plan is

Cav Arms Lower
Bushmaster Lightweight 16" barrel with milled front sight base
Flat top (of course)

A setup like this might hit 5.5 lbs

Questions would be:

Where can more weight come off?

Are free float tubes lighter then standard plastic handguards?

What about sighting?
Optics would require something very light like a Compact ACOG at 5.6 oz. or maybe a red dot window type sight like a JPoint or Docter Optics at ~2oz.

Any other ideas?

Link Posted: 5/14/2003 2:48:29 AM EDT
i am doing a lightweight 20" project and last week ordered a hiperform FF handguard. seems like a cool product. for 99 bucks they offer carbine length with additional material removed in barrel nut area for further weight reduction. [url]http://www.hiperform.com/hand-guards.htm[/url]
Link Posted: 5/14/2003 3:58:22 AM EDT
A1 upper would weigh almost a half pound less than a flat top + optic + back up sight. Colt C profile bolt carrier. Bushmaster Vmatch handguard eliminates the barrel nut thus weighs less. No forward assist would drop weight if you can find an upper like that, no brass deflector would do it too. Make sure you get the newer lighter and shorter Cav Arms lower not the old one. Since Bushmaster will be building carbon fiber rifles Iwould just wait though [;)]
Link Posted: 5/14/2003 7:16:23 PM EDT
Just saw the new Bushmaster/Professional Ordnance news. That will definitely be the direction I go in, provided I can get a forward assist and a chrome lined barrel. Some things I just can't go without But 3.9 lbs. !!!! [banana]
Link Posted: 5/15/2003 6:22:13 AM EDT
Bushmaster Lightweight 16" barrel with milled front sight base
View Quote
If you really want lightweight the get the 16" Super lightweight barrel. Its incredibly light. [url]http://www.bushmaster.com/shopping/barrel-assemblies/abbl-16sla.asp[/url]
Link Posted: 5/16/2003 1:27:13 AM EDT
ive got a pre ban complete upper without forward assist on ebay. you can always change out barrel. maybe we can work something out
Link Posted: 5/16/2003 1:58:39 AM EDT
Originally Posted By Princeton:
Bushmaster Lightweight 16" barrel with milled front sight base
View Quote
If you really want lightweight the get the 16" Super lightweight barrel. Its incredibly light. [url]http://www.bushmaster.com/shopping/barrel-assemblies/abbl-16sla.asp[/url]
View Quote
Yeah thats the same thing... there is not a light weight and seperate superlight weight.
Link Posted: 5/16/2003 5:02:13 AM EDT
[url=http://groups.msn.com/ThePennsylvaniaAR15ShootersSite/okoreview.msnw]OKO Reflex[/url] - 2.3 oz
Link Posted: 5/16/2003 6:45:20 AM EDT
But what does the SC4 mount weigh? Anyone know?
Link Posted: 5/16/2003 7:02:34 PM EDT
Originally Posted By DevL: But what does the SC4 mount weigh? Anyone know?
View Quote
I guess about the same as the sight, around 2.5 oz. I don't use the guard any more. The OKO is at least as tough as the C-More, and they don't even offer a shield.
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