"Best" 10.5" or 10.3" Upper?

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Originally Posted by El Vaquero

I bought a stripped 16” 6920 for cheap and sent the barrel off to get cut to 10.3 and the gas port opened up to my specs. Runs like a champ. Put a Centurion Arms quad rail on it for aesthetics.

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I've 3 or 4 6920 barrels laying around, was thinking of doing that in an 11.5

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Originally Posted by titsonritz

I've 3 or 4 6920 barrels laying around, was thinking of doing that in an 11.5

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Do it. I’ve used Retro Arms and David Wilson with D. Wilson Manufacturing. Both did good work.

PA had Criterion's SBR 10.5 Hybrid profile barrels in stock and on sale, so I rolled the dice. It's been a good shooter so far.

Chrome lined, carbine length gas system, 1:8 button rifled and hand lapped.

Any thoughts on this Noveske?

https://noveske.com/products/10-5-gen-iii-shorty-upper/