12" versus 10.3"

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Hoov

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I am going to do a SBR. The question is 12" or 10.3"? I have fondled both and am leaning towards the 12" gun, but would like some input from you who have done it. Please wait until the third post before hijacking....:laugh6:
 

Fyrtwuck

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The first AR-15 SBR i built had a 10.5 barrel. I had some function problems that were traced to gas problems. After switching to a different weight buffer the problems went away. No experience with a 12" barrel.
 

DDriller

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I run 8.8" on my .338 Spectre shooting mostly subs. 12.5" on a 6.8 spc and a .30HRT. The baffle on your can will like the 12" a lot better than the 10.3"
 

Hump66

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I liked my 11.5" that I had. I like my 10.3". If I did it again, I'd go 10.3" again. They do suck unsuppressed though, way to loud.
 

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