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#5438742 - 11/23/14 02:17 PM Info on AR SBR
Varget 7-08 Offline
Extreme Tracker

Registered: 04/04/10
Posts: 4974
Loc: San Antonio
Do those who run an SBR find it to get dirty quicker than a regular AR in 5.56? 10.5 barrel is what I'll be running.

Second question: Do you have any problems with blowback?

Thanks!


Edited by Varget 7-08 (11/23/14 02:40 PM)

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#5438750 - 11/23/14 02:22 PM Re: Info on AR SBR [Re: Varget 7-08]
KRoyal Online   sleepy
THF Celebrity

Registered: 01/24/07
Posts: 14290
Loc: Sherman/North of Dallas
I didn't notice it running any dirtier than my 16" barrel until I started running suppressed talk about running dirty haha.
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#5438763 - 11/23/14 02:40 PM Re: Info on AR SBR [Re: Varget 7-08]
505ed Offline
Bird Dog

Registered: 10/15/14
Posts: 497
Loc: Blanco texas
No, not any dirtier

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#5438764 - 11/23/14 02:41 PM Re: Info on AR SBR [Re: Varget 7-08]
jdk1985 Offline
THF Celebrity

Registered: 08/15/11
Posts: 11869
Loc: Waco, TX
I have not noticed any problems with either more dirtiness or blowback. All good on my end. Shooting a DD MK18 upper, fwiw.

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#5438790 - 11/23/14 03:11 PM Re: Info on AR SBR [Re: Varget 7-08]
TexFlip Online   content
THF Trophy Hunter

Registered: 08/18/12
Posts: 9424
Loc: Chambers County
I get more blowback from my 16" 308 than my 8" 300 BO. Less length for the powder to burn equals more fouling.
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#5439517 - 11/23/14 08:55 PM Re: Info on AR SBR [Re: Varget 7-08]
BCJ Online   content
Veteran Tracker

Registered: 06/01/05
Posts: 2131
Loc: Oak Point
No difference from my 16", 11.5" or 7.5" as far as blow back or build up. Running suppressed on any of them with make them dirty quick though
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#5441344 - 11/24/14 07:22 PM Re: Info on AR SBR [Re: Varget 7-08]
Toxarch Offline
Pro Tracker

Registered: 03/09/11
Posts: 1749
Loc: Parker County
Haven't noticed any difference. Both the 16" and 8" 300 blackouts get dirty when suppressed.
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It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.

— Dwight D. Eisenhower

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#5443178 - 11/25/14 05:29 PM Re: Info on AR SBR [Re: Varget 7-08]
MDMORROW Online   content
Veteran Tracker

Registered: 01/10/11
Posts: 2803
Loc: McKinney & Pottsboro, TX
not the same caliber but my 300 blackout 8.2" isn't bad at all. Can't tell the difference between it and 16" Ars
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