Posted: 4/21/2010 11:39:48 AM EDT
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A SBR bill just passed in my state. I just bought a Colt 6920 a few days before the bill passed thinking that it wouldnt pass this year. I want would like to have a Colt 6933 but I will have to folk up some more cash. Here is my options.
1- Sell the Colt 6920 and folk up money for the Colt 6933. 2- Form 1 6920 and have the barrel cut down to 10.5 or 11.5 If #1 I can Form 4 and not worry about cutting down the length of the barrel or engraving the lower. If I do #2 I have to disassemble the lower and I dont know how to do it? Also what would be the best barrel length between 10.5 and 11.5? under9 |
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A SBR bill just passed in my state. I just bought a Colt 6920 a few days before the bill passed thinking that it wouldnt pass this year. I want would like to have a Colt 6933 but I will have to folk up some more cash. Here is my options. 1- Sell the Colt 6920 and folk up money for the Colt 6933. 2- Form 1 6920 and have the barrel cut down to 10.5 or 11.5 If #1 I can Form 4 and not worry about cutting down the length of the barrel or engraving the lower. If I do #2 I have to disassemble the lower and I dont know how to do it? Also what would be the best barrel length between 10.5 and 11.5? under9 I don't think you can cut down an M4 profile barrel to 11.5 and still be able to have threads. So, if you want 11.5" you will probably have to buy a new barrel. You can still cut it to 10.3" or 12.5". I would go 10.3" myself and call it a Mk18 clone. Dustin |
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I would keep the 6920, register the lower, then buy a 6933 upper flaoting around on Arfcom. like the one yarddogone has actually he will trade his 6933 upper for a 6920 upper right now if he still has it. but I would keep it and just get an upper I would do this or sell the 6920 and buy a factory 6933. I don't like engravings, so I actually just did the latter for myself a couple months ago. Waiting on the form 4 now. What ever you do though, please don't cut a colt barrel. 
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I would keep the 6920, register the lower, then buy a 6933 upper flaoting around on Arfcom. like the one yarddogone has actually he will trade his 6933 upper for a 6920 upper right now if he still has it. but I would keep it and just get an upper I would do this or sell the 6920 and buy a factory 6933. I don't like engravings, so I actually just did the latter for myself a couple months ago. Waiting on the form 4 now. What ever you do though, please don't cut a colt barrel. If you have to for money reasons yes go with this, but wouldnt you rather have both. I would. This just sounds like a great opportunity to have a 6920 and a 6933 
Do it, Do it |
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are there any reliability issues with 10.3 barrels? and will a surefire FA556-212 mount to it? As long as you have it done by someone with experience, it should be fine. I don't recall what the gas port size should be on a 10.3", but that info is available on the web. You can start with an H2 buffer and then if you have problems move down to an H buffer. 
I have no experience with the FA556-212, but according to that picture it should work. The thing to worry about with mounting a suppressor on a 10.3" barrel is if the can reflexes over the barrel and if the flash suppressor mounts back over the barrel. Since you can see the timing washers on that mount I don't think it would be a problem. A 12.5" will let you mount a reflex style can on a carbine with a 9.5" or less handguard. Getting a seperate upper is another option, but that will cost you a lot more than having yours cut down. Also, you could get a 10.3" DD barrel or 11.5" BCM barrel. It all depends on what you will want later and what you will be able to afford. Dustin |
| a few months back i purchased a LEO trade in from Spiwaks Machine Guns for $1225 delivered. They offer several grades and i opted for the top A+ condition and im thrilled. The 6933 looks to be easily 98% and looks to have spent majority of its life in a rack soemwhere...doesnt look carried or shot. You wont find a 6933 any cheaper than that in that condition. I love my 6920's but that Commando is bad ass...go for it. |