Green Mountain "finned" Barrels

**Pyzik** · 3 October 2016, 07:30

Friend who buys different/new gun stuff all the time brought over some stuff for pictures for fun over the weekend.

Two uppers he's building have Green Mountain "Finned" barrels. They seem interesting. Not sure what accuracy is like but I think they look cool for pics at a minimum.

http://www.gmriflebarrel.com/gm-m11s...56mm-with-ext/

Uppers by Damage Photos, on Flickr

**Dstrbdmedic167** · 3 October 2016, 07:36

I'm not feeling it... The barrels that is. Pic is good of course

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**Pyzik** · 3 October 2016, 07:39

Originally Posted by Dstrbdmedic167

I'm not feeling it... The barrels that is. Pic is good of course

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Yeah, seems like he only buys/builds weird stuff.... Like that YHM rail. Not my flavor. Same with the slick sided upper he's got on that particular gun. Meh for me.

Thanks.

**UWone77** · 3 October 2016, 07:48

Originally Posted by Pyzik

Yeah, seems like he only buys/builds weird stuff.... Like that YHM rail. Not my flavor. Same with the slick sided upper he's got on that particular gun. Meh for me.

Thanks.

You'd think James would be all over hokey stuff like that barrel. Maybe because it's not chambered in .277?

**Slippers** · 3 October 2016, 08:04

Those barrels remind me a little of pre-M1/M1A1 Thompson submachine guns.

**Pyzik** · 3 October 2016, 08:06

Originally Posted by Slippers

Those barrels remind me a little of pre-M1/M1A1 Thompson submachine guns.

They did me too

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**Dstrbdmedic167** · 3 October 2016, 09:10

Don't hate... That barrel is horrendous like your old jokes

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**UWone77** · 3 October 2016, 09:36

Originally Posted by Dstrbdmedic167

Don't hate... That barrel is horrendous like your old jokes

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Don't go sideways on me.... errr in your case upside down.

**VIPER 237** · 3 October 2016, 13:38

I have used one in the past and it did cool down fast, but yes it was so ugly. I never did any accuracy tedting.

**Pyzik** · 3 October 2016, 13:51

Originally Posted by VIPER 237

I have used one in the past and it did cool down fast, but yes it was so ugly. I never did any accuracy tedting.

Guess I'm odd man out. I think it's kind of cool looking

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**fledge** · 3 October 2016, 13:54

I think I saw a pic of one these in a spikes last year. Surprised at the low cost considering the machining. I think this would be best matched to a space gun. But no space for the BAD/Brownells barrel sight is a deal killer. Haha

**EO3** · 3 October 2016, 14:08

What in the hell is that YHM handguard?!

**Pyzik** · 3 October 2016, 14:16

Originally Posted by EO3

What in the hell is that YHM handguard?!

Hahaha, he likes his weird stuff. Not my flavor either.

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**FortTom** · 4 October 2016, 04:31

Didn't the Thompson Machine gun have a partially "finned" barrel, for, supposedly, cooling the barrel?

**Former11B** · 4 October 2016, 05:16

I firmly believe YHM's designers take a steady supply of Acid. They have the UGLIEST parts out there. Their brakes/flash hiders are hideous, everyone who runs them thinks so too, but the complaints are never addressed by YHM

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