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Posted: 2/2/2015 12:12:27 AM EDT
Neat. I've been petitioning manufacturers to try something like this for years.
Converting back to semi-auto is a bonus. The fellow says that he'll develop a cover for the bolt handle slot when it's in semi-auto mode. Yes, he says clips, instead of mags. No biggie, if this helps folks in jurisdictions that are hostile to semi-autos. Best, JBR JEDArms FB page 
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Posted: 2/2/2015 12:13:32 AM EDT
[#1]
Nice. Bolt action, not pump.
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Posted: 2/2/2015 12:17:04 AM EDT
[#2]
Quote HistoryQuoted:
Nice. Bolt action, not pump. Yeah, I edited the title. Sorry. I had this on the mind... Best, JBR
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Posted: 2/2/2015 12:41:53 AM EDT
[#3]
Interesting mod. I'm not sure if the video is supposed to depict the concept or accuracy of the two systems. Accuracy wise, there is little to no improvements based off that test IMHO and I don't see where this application would benefit anyone. I can appreciate the ingenuity behind it, but this day in age, semi-auto rifles are every bit as accurate as a bolt action with the right set up. I do agree however that this could potentially benefit those living in locations which are trying to ban semi auto rifles.
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Posted: 2/2/2015 12:50:15 AM EDT
[#4]
Correct. I believe it's more the solution to a political problem than a mechanical one.
My brother is trapped behind enemy lines in CA. Hopefully this can be of use to him and others. Best, JBR |
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Posted: 2/2/2015 1:15:18 AM EDT
[#5]
just asking
why this design other then say a adjustable gas block that can shut the gas off with a side charger upper? something like this 
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Posted: 2/2/2015 2:17:11 AM EDT
[#6]
Quote HistoryQuoted:
Correct. I believe it's more the solution to a political problem than a mechanical one. My brother is trapped behind enemy lines in CA. Hopefully this can be of use to him and others. Best, JBR I feel his pain. We are both trapped behind enemy lines. Ingenuity over tyranny... |
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Posted: 2/2/2015 3:27:25 AM EDT
[#7]
I believe that a turn-bolt action gives you more leverage/moment arm, more camming action, to extract the round as you turn the bolt manually.
A linear pull action requires the cam pin to translate your rearward action into rotating the bolt and extracting the round. I believe that's why the English straight pull ARs you see have that large handle bolted to the carrier. 
I've been wrong before, though. Just ask my wife. ;) Best, JBR |
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Posted: 2/2/2015 9:59:14 AM EDT
[#8]
doesn't the bolt cam and turn to extract a round in semi auto fire as it is? thats been doing it for decades without much problem. all your doing is replacing the force of the gas that would of blown the bolt back to physically pulling back with your mussels.
i see he had to put the spring back in when he changed back to semi fire so im assuming that caming action was just to lock the bcg in. |
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Posted: 2/2/2015 11:17:52 AM EDT
[#9]
Could be. I am not an engineer.
I do know that turning the gas off on my FAL results in a pain in the ass when it comes to pulling a fired round from the chamber. It might be a moot point, since I don't see much net activity from this guy lately. Best, JBR ETA: Heard back from JEDArms on their FB page. They say they're talking with investors about getting production ramped up for this year, hopefully. I also pointed him at this thread. Don't know if he's an Arfcommer or not, yet. |
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Posted: 2/2/2015 12:56:10 PM EDT
[#10]
With a switch barrel design, you can switch back and forth between a manually operated rifle and semi auto. One barrel has a gas block and tube, and the other doesn't.
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