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Posted: 3/26/2017 5:21:09 PM EDT
I know a lot of manufactures have the option of being able to close the bolt with your shooting hand, but so far I've only found two that allow you to lock
it open. I really like the ability to pull the charging handle back with my support hand, and lock the bolt back with the index finger on my other hand. I want to start a new build with a lower that dose just that. The two that I have found are the LWRC, and Areo Precision. Any others that you know of? Thanks LWRC 
Areo 
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Posted: 3/26/2017 5:58:07 PM EDT
[#1]
Axts ax556. Extremely hard to find, extremely expensive.
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Posted: 3/26/2017 9:05:45 PM EDT
[#2]
Super cool if you like billet. . Hold is located in the trigger guard.
POF GEN4 
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Posted: 3/26/2017 10:51:08 PM EDT
[#3]
POF does pretty sure, Renegade Plus guns. EDIT: As poster above me said ^
I want to say LMT does... but not sure. Can check when I get home. |
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Posted: 3/26/2017 10:57:45 PM EDT
[#4]
Quote HistoryQuoted:
I want to say LMT does... but not sure. Can check when I get home. |
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Posted: 3/26/2017 11:17:48 PM EDT
[#5]
American defense has probably the best layout. And they just ran them for like 225.00 the other day.
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Posted: 3/26/2017 11:22:29 PM EDT
[#6]
LMT MARS
American Defense (Duty series and full price) LWRC The S&W M&P10 is also a fully ambidextrous lower but it's in 308. I run my MRP Rifle Length upper on the ADM UIC Duty lower with a Geissele G2S and Raptor CH. 
Falkor also has some. My wife and I got to see their place in Kalispell a couple years ago. Really cool rifles they are building. |
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Posted: 3/26/2017 11:27:50 PM EDT
[#7]
Isn't that the PDQ Ambi Bolt Release on the Areo lower?
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Posted: 3/26/2017 11:33:08 PM EDT
[#8]
Yes the Aero does use the PDQ.
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Posted: 3/27/2017 5:18:05 AM EDT
[#9]
Cross dominate shooter reporting in.
I found a DPMS bolt catch that has a LARGE offset paddle replacing the stock boltcatch's small button. I can access it when shooting off my left shoulder with my trigger finger. So I pull the Raptor ambi charging handle, push the lower boltcatch paddle to lock the bolt back then clear a jam, double feed or leave the chamber clear. YMMV but it works for me. |
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Posted: 3/27/2017 12:00:15 PM EDT
[#10]
Mega Billet Ambi - ~$225
Compared to other options this seems like the best value. I'm not a fan of the Aero setup. 
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Posted: 3/27/2017 12:01:34 PM EDT
[#11]
Then of course there is the KAC ambi. Probably the best, and you pay for it.
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Posted: 3/27/2017 12:58:08 PM EDT
[#12]
It always amazes me how many people equate "ambi" or "right side" bolt release to right side bolt catch engagement.
There aren't many options. Whatever you do, avoid that Aero/PDQ thing. It's bad enough that it kinda sucks, but it sucks even more when you cut a receiver to use it or buy one with the cut already. When you figure it out later, removing it leaves that cutout open. If you do want to add this feature to a lower, the Redi-Catch actually seems to work well, requires no special modifications, and is priced somewhat reasonably (and no, I don't care how it looks). The concept is sound. It's similar to the A-DAC mechanism that AXTS created, but it's done externally. |
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Posted: 3/28/2017 2:55:17 PM EDT
[#14]
Quote HistoryQuoted:
Then of course there is the KAC ambi. Probably the best, and you pay for it. https://www.boltcarrier.com/uploaded/thumbnails/db_file_img_974_460x460.jpg Quote HistoryQuoted:
Then of course there is the KAC ambi. Probably the best, and you pay for it. https://www.boltcarrier.com/uploaded/thumbnails/db_file_img_974_460x460.jpg Quoted:
Mega Billet Ambi - ~$225 Compared to other options this seems like the best value. I'm not a fan of the Aero setup. https://www.rainierarms.com/media/product/cb8/mega-billet-lower-gtr-3s-ambi-m0514-ha-by-mega-arms-94e.jpg |
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Posted: 3/28/2017 2:59:14 PM EDT
[#15]
I run the Aero with the PDQ lever. It's not the best, but is functional. My issue with it is that when the bolt is held open any bump on the dust cover can drop the bolt. I've been chewed out (and rightfully so) by an RO because I bumped my dust cover walking up to a stage and dropped the bolt prematurely.
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Posted: 3/28/2017 5:39:36 PM EDT
[#16]
Quote HistoryQuoted:
I run the Aero with the PDQ lever. It's not the best, but is functional. My issue with it is that when the bolt is held open any bump on the dust cover can drop the bolt. I've been chewed out (and rightfully so) by an RO because I bumped my dust cover walking up to a stage and dropped the bolt prematurely. |
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Posted: 3/29/2017 11:37:25 AM EDT
[#17]
As mentioned above the AXTS AX556 has this feature built into the mag release. They use a cross pin so then pressing the magazine release actuates the bolt catch as well. In the event of a malfunction you press the mag release and yank the magazine out as the first step, you'd keep holding the mag release and then rack the charging handle which would catch the bolt. The AXTS branded lowers were released in limited quantities before they stopped public sales to put all of their lowers toward complete rifles. They have changed their name in the past six months and are now known as Radian Weapons. They have stated you can expect stripped lowers to go back on sale within the next couple months and if I remember correctly they may have even lowered the price a small bit (don't hold me to that). It was one of the first if not the first fully ambidextrous lowers (right around when the LWRC IC came out). The quality is impeccable and their bolt hold feature is ingenious, but they most definitely qualify as a "boutique" lower. If you've got some money to blow and want a cool lower, I'd highly recommend them--I have yet to see another one in the wild and constantly get questions and compliments about mine.
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Posted: 3/30/2017 2:14:35 AM EDT
[#18]
Quote HistoryQuoted:
As mentioned above the AXTS AX556 has this feature built into the mag release. They use a cross pin so then pressing the magazine release actuates the bolt catch as well. In the event of a malfunction you press the mag release and yank the magazine out as the first step, you'd keep holding the mag release and then rack the charging handle which would catch the bolt. The AXTS branded lowers were released in limited quantities before they stopped public sales to put all of their lowers toward complete rifles. They have changed their name in the past six months and are now known as Radian Weapons. They have stated you can expect stripped lowers to go back on sale within the next couple months and if I remember correctly they may have even lowered the price a small bit (don't hold me to that). It was one of the first if not the first fully ambidextrous lowers (right around when the LWRC IC came out). The quality is impeccable and their bolt hold feature is ingenious, but they most definitely qualify as a "boutique" lower. If you've got some money to blow and want a cool lower, I'd highly recommend them--I have yet to see another one in the wild and constantly get questions and compliments about mine. http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/32b55ae6-2679-4074-a6da-a037e2b4d5b7_zpsdfmnugz0.png http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/42e9e247-536b-426a-a078-fc6b10d2a976_zps3pjqadwy.png  .
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Posted: 3/30/2017 3:43:47 AM EDT
[#19]
There's always the Schuster extended bolt catch:
 Attached FileUnfortunately this beauty has been discontinued |
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Posted: 3/30/2017 4:59:08 AM EDT
[#20]
Here's a review of the ADM lower.
It does look strikingly similar to the AXTS posted above, but they claim it's all proprietary. It has the features you seek.  On Target: American Defense Manufacturing UIC Rifles |
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Posted: 3/30/2017 5:09:26 AM EDT
[#21]
Quote HistoryQuoted:
Then of course there is the KAC ambi. Probably the best, and you pay for it. https://www.boltcarrier.com/uploaded/thumbnails/db_file_img_974_460x460.jpg |
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Posted: 3/30/2017 7:30:56 AM EDT
[#22]
Took me 5 years, but it finally has a stamp pending
Quote HistoryQuoted:
That gun is to pretty not to be properly SBR'ed .Quote HistoryQuoted:
Quoted:
As mentioned above the AXTS AX556 has this feature built into the mag release. They use a cross pin so then pressing the magazine release actuates the bolt catch as well. In the event of a malfunction you press the mag release and yank the magazine out as the first step, you'd keep holding the mag release and then rack the charging handle which would catch the bolt. The AXTS branded lowers were released in limited quantities before they stopped public sales to put all of their lowers toward complete rifles. They have changed their name in the past six months and are now known as Radian Weapons. They have stated you can expect stripped lowers to go back on sale within the next couple months and if I remember correctly they may have even lowered the price a small bit (don't hold me to that). It was one of the first if not the first fully ambidextrous lowers (right around when the LWRC IC came out). The quality is impeccable and their bolt hold feature is ingenious, but they most definitely qualify as a "boutique" lower. If you've got some money to blow and want a cool lower, I'd highly recommend them--I have yet to see another one in the wild and constantly get questions and compliments about mine. http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/32b55ae6-2679-4074-a6da-a037e2b4d5b7_zpsdfmnugz0.png http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/42e9e247-536b-426a-a078-fc6b10d2a976_zps3pjqadwy.png . |
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Posted: 3/30/2017 12:23:57 PM EDT
[#23]
Umbrella Corp Weapons Research Group 3D logo billet lowers have the AXTS A-DAC bolt hold open function per the mag catch button, which engages a steel pin held in a connecting hole underneath the boltcatch.
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Posted: 4/2/2017 9:05:29 PM EDT
[#24]
Quote HistoryQuoted:
As mentioned above the AXTS AX556 has this feature built into the mag release. They use a cross pin so then pressing the magazine release actuates the bolt catch as well. In the event of a malfunction you press the mag release and yank the magazine out as the first step, you'd keep holding the mag release and then rack the charging handle which would catch the bolt. The AXTS branded lowers were released in limited quantities before they stopped public sales to put all of their lowers toward complete rifles. They have changed their name in the past six months and are now known as Radian Weapons. They have stated you can expect stripped lowers to go back on sale within the next couple months and if I remember correctly they may have even lowered the price a small bit (don't hold me to that). It was one of the first if not the first fully ambidextrous lowers (right around when the LWRC IC came out). The quality is impeccable and their bolt hold feature is ingenious, but they most definitely qualify as a "boutique" lower. If you've got some money to blow and want a cool lower, I'd highly recommend them--I have yet to see another one in the wild and constantly get questions and compliments about mine. http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/32b55ae6-2679-4074-a6da-a037e2b4d5b7_zpsdfmnugz0.png http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/42e9e247-536b-426a-a078-fc6b10d2a976_zps3pjqadwy.png Thanks for all of the suggestions. |
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Posted: 4/2/2017 9:56:13 PM EDT
[#25]
The axts/radian is definitely where it's at. By far the finest lower I've ever seen. Machined and finished to perfection, flawless performance.
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Posted: 4/2/2017 10:24:15 PM EDT
[#26]
Quote HistoryQuoted:
This one looks like a great choice. It combines two type III clearance steps into one. Locking the bolt back, and releasing the magazine. After looking at your rifle, I'm tempted to just buy a complete one from them. Thanks for all of the suggestions. Quote HistoryQuoted:
Quoted:
As mentioned above the AXTS AX556 has this feature built into the mag release. They use a cross pin so then pressing the magazine release actuates the bolt catch as well. In the event of a malfunction you press the mag release and yank the magazine out as the first step, you'd keep holding the mag release and then rack the charging handle which would catch the bolt. The AXTS branded lowers were released in limited quantities before they stopped public sales to put all of their lowers toward complete rifles. They have changed their name in the past six months and are now known as Radian Weapons. They have stated you can expect stripped lowers to go back on sale within the next couple months and if I remember correctly they may have even lowered the price a small bit (don't hold me to that). It was one of the first if not the first fully ambidextrous lowers (right around when the LWRC IC came out). The quality is impeccable and their bolt hold feature is ingenious, but they most definitely qualify as a "boutique" lower. If you've got some money to blow and want a cool lower, I'd highly recommend them--I have yet to see another one in the wild and constantly get questions and compliments about mine. http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/32b55ae6-2679-4074-a6da-a037e2b4d5b7_zpsdfmnugz0.png http://i2.photobucket.com/albums/y29/btm7687/Weapons%20of%20Minor%20Destruction/The%20Safe/AR-15/AXTS%20MI-T556S/42e9e247-536b-426a-a078-fc6b10d2a976_zps3pjqadwy.png Thanks for all of the suggestions. |
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Posted: 4/2/2017 11:25:04 PM EDT
[#27]
Ever consider a BAD lever??? (or the equivalent) Seems it'd do what you want for far less... |
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Posted: 4/3/2017 11:15:43 AM EDT
[#28]
Quote HistoryQuoted:
Here's a review of the ADM lower. It does look strikingly similar to the AXTS posted above, but they claim it's all proprietary. It has the features you seek.  https://www.youtube.com/watch?v=oEgf9IBO85MThey still ocasionally make and sell the first design too but mostly make the gen2. They redesigned there rail too, but make the gen1 as well from time to time because some prefer the original design. I think the radian is better, but the adm is much more affordable and is machined just as well.. As in perfect. 
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Posted: 4/3/2017 12:15:22 PM EDT
[#29]
Quote HistoryQuoted:
https://scontent-dft4-2.xx.fbcdn.net/v/t1.0-9/16114313_10202573563135757_7605059664780746350_n.jpg?oh=0c74245a5b23e27ca7076f90a4fb286b&oe=59555F69 Ever consider a BAD lever??? (or the equivalent) Seems it'd do what you want for far less... |
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Posted: 4/3/2017 2:54:29 PM EDT
[#30]
Quote HistoryQuoted:
There aren't many options. Whatever you do, avoid that Aero/PDQ thing. It's bad enough that it kinda sucks, but it sucks even more when you cut a receiver to use it or buy one with the cut already. When you figure it out later, removing it leaves that cutout open. 
the cheapest ^^^ and works perfectly, no door issues like the others |
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Posted: 4/3/2017 3:14:48 PM EDT
[#31]
Quote HistoryQuoted:
That's one of the reason it sucks. It also can cause a failure hold the bolt open after the last round is fired out of a mag..another reason. You could take the dust cover off, but even then it has some other potential issues. Quote HistoryQuoted:
Quoted:
I run the Aero with the PDQ lever. It's not the best, but is functional. My issue with it is that when the bolt is held open any bump on the dust cover can drop the bolt. I've been chewed out (and rightfully so) by an RO because I bumped my dust cover walking up to a stage and dropped the bolt prematurely. |
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Posted: 4/3/2017 3:19:37 PM EDT
[#32]
I'm not the only one that has had problems with it. If it works for you, great. I still say it sucks.
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Posted: 4/3/2017 3:22:48 PM EDT
[#33]
Quote HistoryQuoted:
and why would you remove it?? |
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Posted: 4/5/2017 5:59:25 PM EDT
[#34]
Just my experience this week: Ordered one from Aero. Workmanship looked fine. Assembled the entire lower. Placed an complete, proven up-and-running upper. Bolt would not hold back. Compared it to 4 Anderson lowers assembled and running without any problems. The PDQ catch elevation is limited, not caused by the mag, but won't rise high enough to keep the bolt from just riding over it with either empty mag or finger pressure. Contacted Aero who is sending a UPS call tag to return for inspection. The Aero I transferred everything over to (non-ambi) from a LGS has the same problem with a mil-spec bolt catch. Tried 4 other successful uppers onto it, all having the same issue. Must be me? That's for another post....
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Posted: 4/5/2017 6:16:01 PM EDT
[#35]
Quote HistoryQuoted:
Then of course there is the KAC ambi. Probably the best, and you pay for it. https://www.boltcarrier.com/uploaded/thumbnails/db_file_img_974_460x460.jpg |
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Posted: 4/5/2017 10:07:14 PM EDT
[#36]
Quote HistoryQuoted:
Just my experience this week: Ordered one from Aero. Workmanship looked fine. Assembled the entire lower. Placed an complete, proven up-and-running upper. Bolt would not hold back. Compared it to 4 Anderson lowers assembled and running without any problems. The PDQ catch elevation is limited, not caused by the mag, but won't rise high enough to keep the bolt from just riding over it with either empty mag or finger pressure. Contacted Aero who is sending a UPS call tag to return for inspection. The Aero I transferred everything over to (non-ambi) from a LGS has the same problem with a mil-spec bolt catch. Tried 4 other successful uppers onto it, all having the same issue. Must be me? That's for another post.... |
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Posted: 4/5/2017 11:01:47 PM EDT
[#37]
https://www.rainierarms.com/rainier-arms-a-dac-f-lower-receiver
Rainier Arms teamed with AXTS to make a receiver similar to the billet AXTS receiver. Same function, press mag release to actuate bolt catch and simotaneously dropping the magazine....keep holding the mag release as you rack the bolt to the rear. Might be a little more obtainable than the AXTS. |
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Posted: 4/5/2017 11:27:19 PM EDT
[#38]
Quote HistoryQuoted:
The axts/radian is definitely where it's at. By far the finest lower I've ever seen. Machined and finished to perfection, flawless performance. http://i138.photobucket.com/albums/q257/theif01/20170221_172608_zps1yknc6my.jpg Hoping that Radian, (AXTS), will sell billet lowers once again. |
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Posted: 4/5/2017 11:28:09 PM EDT
[#39]
DBL Tap - apologies
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Posted: 4/6/2017 9:23:49 AM EDT
[#40]
I also bought an ambi aero, 2 days before this post. My idea was to upgrade from my regular aero lower using a bad lever. Don't care for bad lever for similar reasons. Laying your rifle on the bad lever side (left) will cause bolt to drop unintentionally. After assembling ambi lower, I totally see the potential dust cover problems. And now possibly a lrbho problem? I'll try to shoot it this weekend and report back. I have strike industries dust cover that comes off in a snap but not sure I want to run without one seeing as I live in the desert and shoot in the dirt. . Ugh. . Guess you have to go high dollar to get what you want. Have zero issues with my POF lower but 3 times the price.
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