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Discussion Starter #1
I have been looking at these lately and was wondering which one is the one to get? I see they come in either a 1-7 twist or a 1-9 twist barrel, which is the one to get?
 

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All right im trying to rember but its either 1 in 9 can stablize heavyer bullets or the other way around ...

My Hbar is a 1 in 9 course i mostly shoot 55grainers out of it
 

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Bruce,

I found this on the Brownell's website:

.224 CF 9" For bullets heavier than 63 gr.
12" For bullets up to 63 gr.
14" For bullets up to 55 gr.
15"* For bullets up to 55 gr. driven 4,100 fps or more
16"* For bullets up to 55 gr. driven 4,300 fps or more

Hope it helps...mine is a 20" HBar with 1 in 9.

Regards,

Fred
 

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The 1 in 7 twist is for heavier bullets, ie. 62-70gr.
The 1 in 9 twist is for lighter bullets, ie. 40-55gr.

I recently purchased a Rock River Arms Government DEA Model and it is proving to be a sterling performer. Accuracy and performance are all I could ask for.
 

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acparmed said:
The 1 in 7 twist is for heavier bullets, ie. 62-70gr.
The 1 in 9 twist is for lighter bullets, ie. 40-55gr.

I recently purchased a Rock River Arms Government DEA Model and it is proving to be a sterling performer. Accuracy and performance are all I could ask for.
opps had it backwards but i was on right track
 

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Discussion Starter #6
I see that the vast majority come in a 1-7 twist, So does it realy matter if I just want it for plinking and Zombie killing when the world comes to a end? Also I was noticing that Bushmaster was as much or more than Colt in some cases. So is there any reason I pick one over the other, besides that little prancing pony that I love?
 

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Bushmaster is going to give you the (I daresay better than) Colt level of quality with milspec parts.

Basically you can take your bits and pieces made by say Olympic or Rock River Arms and fit them onto bits and pieces from your Bushmaster because they're all milspec, but the Colt is going to present some problems in that regard.

Colt ARs are nice in a way but they do a lot of weird stuff, like proprietary parts and they like to, for some reason, punch larger holes than necessary in their lower receivers.

Then again some people like this, because it's a Colt and Colt isn't supposed to be like everything else.

I personally am just going to take either rate of twist as long as the upper has all of the other features I want. I'm flexible like that.

I thought about going Bushmaster and may still yet get their lower parts kit or an upper from them for my Franken-AR.
 

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Discussion Starter #8
So if I wanted to take the plunge and get a AR would I be better off buying one or building one? Price wise?
 

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cheaper to build from a kit. Also you can custom build it.
 

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Well decide on a lower like dpms or search for eucs post i bet theres all this info in there as he is bulding oen and awhile back asked the same stuff
 

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Bruces45 said:
So if I wanted to take the plunge and get a AR would I be better off buying one or building one? Price wise?
I looked into this and was finally honest with myself about it.

Building one is not really cheaper if you are going to build it with brand name components... the good stuff basically.

Where you DO save money is that if you have a specific configuration in mind, you don't have to compromise by buying something you don't really want or need and then retrofitting it. I figure I'm saving a little bit but not much, but thing is, I'm getting exactly what I want.

I for instance wanted to build a carbine with a 16" chrome lined barrel, A3 flat top with a fixed front sight post and BUIS, 6 position stock, etc. I basically wanted a fast action AR15. There's a little more to it than that, but once I got over the "Ooooh shiny" phase and pegged what I wanted, I looked at factory made rifles and said "That's not what I want..."

Plus I thought about it, and I realized I wanted to know how my rifle works and goes together. Piecing one together then seemed like the obvious choice.
 

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Discussion Starter #17
after looking around I think I will just buy one. All I want is a 20" barrel AR-15 A2, nothing fancy, no collaspibale(sp?) stock, no removable handle, just something basic. Don't plan to modify it, just shoot it, and save it for a rainny day so to speak.
 

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Also check out gun shows for good deals on used hi cap mags. ARFcom can direct you to decent mil. manufacture mags. Around here they go for around $10-14 a piece. Any of the big names should be a decent rifle. Some folks believe in the ABC's are best. Armalite-Bushmaster-Colt. Rock River seems to make a good quality rifle too. Haven't seen DPMS enough to know.
 

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Unless they made changes, again, current Colt rifles only have the wider trigger group pins. The front take down pin is back to GI spec.

And just a reminder on some so called GI spec parts. If you got the wrong ones the BATFE will consider it a machine gun whether it rock and rolls or not.
 

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Everything I've read, including the Ammo Oracle, says that 1:9 barrels can stabilize bullets up to 69 grains effectively.

I purchased my first AR last month. It is a midlength Rock River Arms Elite CAR A4. It is such a soft, accurate shooter. I am very pleased with it.
 
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