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11/24/2017 4:44:23 PM
11/22/2017 10:05:29 PM
Posted: 10/7/2004 2:55:54 PM EST
[Last Edit: 10/7/2004 2:56:31 PM EST by BB]
The one thats turned down under the handguards...anyone know?
Link Posted: 10/8/2004 3:58:05 AM EST
[Last Edit: 10/8/2004 4:21:59 AM EST by BB]
BTT

How about the weight difference between the two uppers?
Link Posted: 10/8/2004 10:24:05 AM EST
I don't have a suitable scale so I can't tell what the actual weight is, but it is fairly light. With a Troy MRF handguard and a Magpul stock, mine balances right behind the barrel nut.


Link Posted: 10/8/2004 1:56:49 PM EST
Does RRA offer a "govt" profile barrel now? Or are you talking about the ones Adco is making up? You might try asking in Adco's forum over on the Industry board. They've probably weighed on of theirs.
Link Posted: 10/8/2004 2:26:44 PM EST
[Last Edit: 10/10/2004 5:08:16 AM EST by howlie]
Here are some details about the RRA mid-length barrel I received from ADCO this week:

weight of barrel w/standard front sight base: 2lbs. 1oz.
weight of barrel with phantom flash suppressor, standard mid-length handguards, delta ring assembly and gas tube: 2lbs. 11oz.
weight of above +CMT flattop upper receiver w/o bolt/carrier assembly: 3lbs. 3oz.
Barrel is .610" under handguards, .740" forward of front sight base
No ID stamping on front of barrel, barrel stamped "N9C" in front of barrel nut
No front sight post assembly
No front sling swivel assembly
Overall finish: very nice

(Edited to correct info....)

Link Posted: 10/8/2004 4:32:09 PM EST

Originally Posted By howlie:
Here are some details about the RRA mid-length barrel I received from ADCO this week:

weight of barrel: 2lbs. 1oz.
weight of barrel with phantom flash suppressor, standard mid-length handguards, delta ring assembly and gas tube: 2lbs. 11oz.
Barrel is .610" under handguards, .740" forward of front sight base.
Has M4 feedramp cuts
No ID stamping on front of barrel
No front sight post assembly
Overall finish: very nice




thanks man, that helps me out.
Link Posted: 10/8/2004 6:47:50 PM EST
Tag (good info on weight)
Link Posted: 10/9/2004 11:27:40 AM EST
I weighed my post bost ban RR arms 16" ss mid length with front site base,gas tube and barrel nut
and it weighed 2.86lbs....I'm the process of turning it down soon...
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