Author Topic: AR-15 ? 1in7, 1in9 twist in a 20inch barrel  (Read 2899 times)

goodnightChesty1775

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #25 on: December 05, 2011, 06:48:17 PM »
i have never even seen a 77gr bullet so im not worried about my rifle not stabilizing it. but now im going to hunt some down for next time i go shooting ill have it all 55, 62 and some 77s well see how the 1.9 does.

Offline thatGuy

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #26 on: December 05, 2011, 09:21:08 PM »
It would be cool to see the results Chesty, I am trying to track down a 1:9" twist so I can do the same.

goodnightChesty1775

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #27 on: December 05, 2011, 10:02:38 PM »
It would be cool to see the results Chesty, I am trying to track down a 1:9" twist so I can do the same.

note i have a 16" so if you find one, try and get a 14.5 so we can compare the two. and ill try and find a 16" 1.7 also...


Offline mountainredneck2051

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #28 on: December 06, 2011, 07:17:38 PM »
my buddy hunts coyotes with a 77gn smk out of a 1:9 barrel
he can effectively drop them things out to 300yds
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Offline Kentactic

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #29 on: December 08, 2011, 08:31:41 PM »
also guys when were talking stabalizing a bullet i think for a respectable test you need to shoot it out to the furthest range the load is meant to be shot in your gun. so no 100 yard paper punching to prove theorys. i want to see 600 yard paper punching aswell. and ideally this would mean the rifles being used have some sort of magnified optic to help decrease shooter error. and i say Rifles plural because one rifle will like one load more then another...so to see if its not just the gun multiple rifles must experience the same poor grouping or bullet failures. my rem 700 HATES 175gr GMM ammo but many others with the same rifle have great results.
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1000meterstare

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #30 on: December 11, 2011, 07:53:11 PM »
"That Guy" needs to do his homework.  The gas and pressure builds up in a seal behind the bullet in the barrel LONG before it ever gets siphoned off into the gas system.  Sauer of Kraut was ABSOLUTELY correct in initially looking for a 20" chrome-lined barrel with the tighter 1 in 7 twist.  That may be hard to find, but that is EXACTLY what he needs for his terrain, choice of bullet weight, and for long-range shots with that platform.  Maybe he has to go custom to find that combination, or maybe he goes FN/FAL or M1A.  His call.  I'm not an AR guy, but my dream AR would be a 20" barrel, chrome-lined, in 6.8 with a piston-driven system.  While I'm dreaming, let me throw in titanium parts where need be.  Hell - throw in ACOG optics also.

Offline thatGuy

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #31 on: December 12, 2011, 11:57:54 AM »
Bring me up to speed 1KmStare.

Offline thekiltedpatriot

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Re: AR-15 ? 1in7, 1in9 twist in a 20inch barrel
« Reply #32 on: December 14, 2011, 07:23:52 PM »
Personally, I like the AK.   [url=http://yoursmiles.org/p-m

Just kidding guys. 

Twist rate is just like that argument though.  All my ARs are 1/9 and never had a problem shooting anything with accuracy. 

But then, everyone with an asshole has an opinion.....and a personal experience.  I use what works for me so take it for what its worth.