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Old April 17th, 2012, 09:12 AM #51
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I have a 6920 and love it. Scar and a few others talked about them being ready "out of the box" and they are! All I added was a front grip, and I intend on putting a nice optic on it when funds allow. For now the irons are great.

As I look for my next AR I have found great deals on other stuff, but will save my pennies for another 6920.
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Old April 17th, 2012, 09:13 AM #52
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Quote:
Originally Posted by SCARCQB View Post
... I have a Colt Match HBAR carbine that is crap. Stay with the 6920.. you can thank us later.
Just curious. What's so bad about your Colt HBAR?
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Old April 17th, 2012, 09:21 AM #53
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Quote:
Originally Posted by annihilation-time View Post
Just curious. What's so bad about your Colt HBAR?
The sporter HBAR crapped out in a carbine class Twice..FTF/FTE and short strokes on WWB. It is finicky on ammo and the compensator pisses everyone beside you on the firing line. The sporter Hbars have very tight tolerances. they are accurate, but may have reduced reliability because of this ( same with RRA)

It is an accurate rifle for target use, it likes brass.. quality brass cased ammo. Anything other than that... it gets as reliable a the plumber on superbowl weekend.

In contrast, the 6920 and 6940 works all the time.

Another member ( infidel) had similar issues with his Colt Hbar sporter. An instructor had to loan him his carbine because his Hbar sporter kept on choking with federal M855 ammo. My 6920.. out of the box went through 800 rounds of lacquer coated wolf ammo that day without a single malfunction. Other high tiered ARs also malfunctioned at some point. The only mod on the Colt is a crane extractor o-ring.
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Old April 17th, 2012, 09:23 AM #54
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I am new here. I have a stupid question. Is there any restriction on purchase this kind of rifle?
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Old April 17th, 2012, 09:29 AM #55
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Quote:
Originally Posted by Ovechtrick View Post
I think I might go with this option. Spent a lot of time researching last night and PSA uppers seem to get pretty good reviews. It looks as though I will have to buy a set of rear sights separately which is not the biggest deal. Thanks for everyone's input.
I know that Gun Connection had complete CMMG lowers for a little less than $300. U can buy them from out of state or the internet but then u would have to pay ffl transfer fees. Im not sure about taxes tho. Call them because its pretty far from montgomery co. Good Luck
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Old April 17th, 2012, 09:35 AM #56
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Quote:
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I am new here. I have a stupid question. Is there any restriction on purchase this kind of rifle?
Any AR tranfers as a regulated firearm ( unless its an HBAR). You will have to go through a Lic Firearms dealer and go through the standard backround check/ waiting period.

AR10s and HBARs ( heavy barrel) can transfer FTF ( face to face) with proper ID and bill of sale.

Receivers are considered firearms and will have to go through an FFL. any other parts, such as uppers, barrels accessories can be purchased directly. Md limits mag capacity to 20 rounds. High caps will have to be purchased out of state.
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Old April 17th, 2012, 10:18 AM #57
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Quote:
Originally Posted by SCARCQB View Post
The sporter HBAR crapped out in a carbine class Twice..FTF/FTE and short strokes on WWB. It is finicky on ammo and the compensator pisses everyone beside you on the firing line. The sporter Hbars have very tight tolerances. they are accurate, but may have reduced reliability because of this ( same with RRA)

It is an accurate rifle for target use, it likes brass.. quality brass cased ammo. Anything other than that... it gets as reliable a the plumber on superbowl weekend.

In contrast, the 6920 and 6940 works all the time.

Another member ( infidel) had similar issues with his Colt Hbar sporter. An instructor had to loan him his carbine because his Hbar sporter kept on choking with federal M855 ammo. My 6920.. out of the box went through 800 rounds of lacquer coated wolf ammo that day without a single malfunction. Other high tiered ARs also malfunctioned at some point. The only mod on the Colt is a crane extractor o-ring.
Good to know. Thanks.

Any thoughts on the Colt AR6721?
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Old April 17th, 2012, 10:25 AM #58
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Originally Posted by annihilation-time View Post
Good to know. Thanks.

Any thoughts on the Colt AR6721?
the 6721 should perform as well as the 6920.. The only difference is that is does not have the m4 profile barrel ( Which I really like) and it has the older CAR handguards instead of the Oval ( M4) type. Both have 1:7 twist rates.
GTG for most ammo, including the heavier loads.
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Old April 17th, 2012, 10:55 AM #59
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Quote:
Originally Posted by SCARCQB View Post
the 6721 should perform as well as the 6920.. The only difference is that is does not have the m4 profile barrel ( Which I really like) and it has the older CAR handguards instead of the Oval ( M4) type. Both have 1:7 twist rates.
GTG for most ammo, including the heavier loads.
Colt's website says the AR6721 has a 1:9 twist rate which is the only thing I don't like.

http://www.coltsmfg.com/Catalog/Colt...arbinesII.aspx
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Old April 17th, 2012, 03:14 PM #60
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I wouldn't get wrapped around the axle over the twist rate. The 1:7 mil spec ratio was chosen because it stabilizes the M856 round; the quality of the barrel and rifling is more important. 1:9 may actually be a better ratio for 62gr M855.
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