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Posted: 1/24/2002 10:56:32 AM EDT
[#1]
Yes, you could do that.
You would have to purchase a barrel with either a milled front sight (Bushmaster offers these) or a barrel with a simple gas block (Brownell's sells these). You would also need to get a two piece handguard to make installation easier. And you'd also need a flat top upper to mount a red dot or optical sight. No, it's not a dumb idea. In fact there's a distributor who's selling Bushmaster uppers already assembled in this configuration - however they're post-ban. Maybe you just want to buy another upper so that you could switch them at your leisure? That way you could also buy another lower when you get the money and then you'd have 2 AR's. After that you could start planning your third and fourth AR variant and your wife would say [shock]! |
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Posted: 1/24/2002 11:26:00 AM EDT
[#2]
Bushmaster has been making these for years as the "Dissipator" model, and Oly makes them under the "Eliminator" model. Uppers in this configuration are available in pre-ban and post-ban configurations.
[img]www.bushmaster.com/shopping/uppers/Images/PURa2b16d.jpg[/img] -Troy |
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Posted: 1/24/2002 3:33:05 PM EDT
[#3]
Is it Legal if the barrel crown is inside the handguard? From where is the Barrel measured for NFA length?
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Posted: 1/24/2002 10:37:25 PM EDT
[#4]
A barrel is measured by closing the bolt, then inserting a rod down the bore until it contacts the bolt face. The rod is marked at the end of the barrel (or any permanently-attached muzzle extension) and the rod is withdrawn and measured.
If you're talking about adding a FF handguard out to the end of the barrel, you'd need a custom extended-length FF tube. Bushmaster made uppers like this as a special order for Keislers Wholesale. They are called "Signature X-1A" uppers. [img]www.ar15.com/members/albums/Troy%2FBushmaster%2520Signature%2520X%2D1A%2520Rifle%2Ejpg[/img] You can buy them here: [url]www.armthepopulace.com/rifles/bushmaster.html[/url] A standard FF tube would end where the regular handguards end in the picture above, about 4" before the end of the barrel. -Troy |
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Posted: 1/25/2002 9:00:19 AM EDT
[#5]
Troy... thank you very much for this information, it is exactly what I wanted to know, and more.
The photo seems to indicate that this handguard may also function as both a flash hider and compensator as the exiting muzzle gasses would push forward against the handguard end vents... and with the barrel end 4" prior to the end of the handguard the flash could be contained thus possibly excluding the need for a Phantom inside of the handguard. I'll contact them. Thanks again for the info and the link. |
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Posted: 1/25/2002 11:00:46 AM EDT
[#6]
The barrel ends at the end of the shroud/handguard. If you go with a standard length free float tube, it will end 4 inches before the muzzle on a 16 inch barrel. I've seen pictures of this done on a SWAT sniper rifle, A2 stock and it was SWEET! The Signature doesn't hide the muzzle. Both configurations are legal.
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