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Posted: 6/24/2008 6:42:06 PM EDT
[Last Edit: dfwgun]
I am trying to compile a list of manufacturers/suppliers thats lowers are DIAS and LL compatable.

These are typically refered to low shelf lowers.
Link Posted: 6/26/2008 1:10:43 AM EDT
[#1]
I've used bushmaster and POF lowers for my RDIAS
Link Posted: 6/26/2008 11:56:03 AM EDT
[#2]
I wish someone would sticky your list, this seems to come up every week or so. MEGA has a low shelf lower.
Link Posted: 6/26/2008 1:38:47 PM EDT
[#3]
I use Spikes Tactical for my RLL.  They make a good product and their biggest plus (for me) is the select fire pictogram markings.
Link Posted: 7/7/2008 4:40:39 PM EDT
[#4]
I think the mega will accept the dias, at least a guy at the range had his in there and it wasnt modified to fit.
Link Posted: 7/7/2008 7:59:23 PM EDT
[#5]
Another Bushmaster user.
Link Posted: 9/7/2008 7:22:10 PM EDT
[#6]
Do Stag lowers have a low shelf?
Link Posted: 9/8/2008 8:51:47 AM EDT
[#7]
Stag's have a high shelf.
Link Posted: 9/8/2008 9:10:55 AM EDT
[#8]
Bushmaster and Spikes Tactical (ask for one with a low shelf) are what I use.

I have a couple stripped lowers of each. I am planning on installing front pivot and rear takedown pins, mag release/bolt releases and pistol grip so all I have to do is "install DIAS and FCG". Is it legal to have a M16 selector in the receiver with NO FCG OR DIAS?
Link Posted: 9/8/2008 11:05:04 AM EDT
[Last Edit: Wombat] [#9]
Essential Arms is high shelf.  

The old SGW Oly lowers are low shelf but are not machined fully limiting the sear width (~.41").

ZM lowers are also low shelf but the sear width is ~.43"

As someone already said the Mega's are low shelf and have .5" for the sear.

It would been nice to get the width information too and make a table when we have all the data.

Link Posted: 9/10/2008 9:05:41 PM EDT
[#10]
Link Posted: 9/10/2008 9:14:23 PM EDT
[#11]
Anyone use a CMMG lower? Or would they work fine?
Link Posted: 9/11/2008 12:42:53 PM EDT
[#12]
I just ordered 5 CMMG lowers .. I'll let you know when they come in.
Link Posted: 9/11/2008 3:52:00 PM EDT
[#13]

Originally Posted By AjK186:
Anyone use a CMMG lower? Or would they work fine?


They are low shelf & will accept a RDIAS.
Link Posted: 9/11/2008 9:58:12 PM EDT
[#14]
From pure curiosity, will a Cav MKII accept a DIAS?
Link Posted: 9/17/2008 9:39:35 PM EDT
[#15]
My CMMG lowers just came in today. They are low shelf but my C Ray Systems DIAS will not fit in the lower. The side wall is to thick to let  my dias drop in. Up for sale they will go.
Link Posted: 9/18/2008 12:54:17 PM EDT
[Last Edit: 6172crew] [#16]
Mega Machine Shop will work.  I spoke with the owner of Frankford Aresenal and he said his are like the Bushmaster and Mega as well.
Link Posted: 9/18/2008 8:27:12 PM EDT
[#17]
I have a BA steel RDIAS.  It works great in my Mega lower in the 1700 serial number range.  It drops right in without any timing issues and it works with 10 different upper I tried with it.

I also have an older Mega in the 600 range and it has a high shelf.  I also have a newer one in the MUR3000 range and the width is too narrow for my RDIAS.

I was able to get it to work with a POF billet lower but I had to put a smaller radius in the rear part of the lower to get RDIAS to sit further back to make it work.

My RDIAS was too fat to fit in a Bushmaster and Ameetec lower.  I'm sure I could get it in but I wouldn't be able to get it out easily.
Link Posted: 9/18/2008 10:59:15 PM EDT
[#18]

Originally Posted By AZ3GUNNER:
I have a BA steel RDIAS.  It works great in my Mega lower in the 1700 serial number range.  It drops right in without any timing issues and it works with 10 different upper I tried with it.

I also have an older Mega in the 600 range and it has a high shelf.  I also have a newer one in the MUR3000 range and the width is too narrow for my RDIAS.

I was able to get it to work with a POF billet lower but I had to put a smaller radius in the rear part of the lower to get RDIAS to sit further back to make it work.

My RDIAS was too fat to fit in a Bushmaster and Ameetec lower.  I'm sure I could get it in but I wouldn't be able to get it out easily.


The ones I saw were MGS2600's and MUR2800's if that helps
Link Posted: 9/19/2008 10:25:23 PM EDT
[#19]
Anvil Arms Are as well. and John is an Industry Partner
Link Posted: 9/20/2008 7:52:11 AM EDT
[#20]
I know of people who are running them in DPMS receivers.

Link Posted: 9/22/2008 9:46:18 PM EDT
[#21]
Will an RRA Lower work with a Lightning Link?
Link Posted: 9/24/2008 8:18:40 AM EDT
[#22]

Originally Posted By BCWMFG:
I know of people who are running them in DPMS receivers.






+1 on DPMS






and no, RRA will not work.
Link Posted: 9/24/2008 4:13:47 PM EDT
[#23]

Originally Posted By TCBA_Joe:
From pure curiosity, will a Cav MKII accept a DIAS?


Yes, with a little trimming.
Link Posted: 12/17/2008 9:29:55 AM EDT
[#24]
this question keeps coming up

btt
Link Posted: 12/23/2008 5:44:31 AM EDT
[#25]
+1 to sticky this.

BTW, Doublestar lowers have the low shelf: RDIAS and RLL ready.

When my BM lower was getting tired. I built my RDIAS a new host using a Doublestar lower and the fit in the pocket was perfect so I went a bought a dozen at the first gunshow after that. I've got spare hosts for life, now.
Link Posted: 12/23/2008 10:07:57 AM EDT
[#26]
POF
LWRC
DoubleStar
Bushmaster
Mega
New MGIs
Some Spikes-have to ask for it.

Link Posted: 3/25/2009 5:22:43 PM EDT
[Last Edit: 103] [#27]
Perhaps Nodak-Spud?  I haven't measured the shelf area, but it is low shelf.  (At least mine––it is an early run NDS-XM16E1 lower)
Link Posted: 5/12/2009 9:59:39 PM EDT
[#28]
I have an ameetec arms lower with a lower shelf that works with a RDIAS
Link Posted: 6/4/2009 4:16:34 PM EDT
[#29]
Will an LL work with an SP1?

Thanks
Link Posted: 6/4/2009 6:24:59 PM EDT
[Last Edit: AjK186] [#30]
LL were originally designed to work with sp1's just make sure your bolt has the proper clearance , and it should be plug and play!
Link Posted: 8/4/2009 2:50:33 PM EDT
[#31]
I would like to get a definative list for the LL. I see Colt SP1, Spikes and Double Star mentioned, what else?
Link Posted: 2/7/2010 12:31:55 PM EDT
[#32]
Originally Posted By AjK186:
Anyone use a CMMG lower? Or would they work fine?


YEP!  

3 of 'em!
Link Posted: 2/7/2010 1:08:55 PM EDT
[#33]
Colt Sporter II, DPMS, Sendra, Essential Arms J-15.
Sear-blocked ban era Colts will also work with the block removed.
Link Posted: 4/28/2010 12:34:50 AM EDT
[#34]
Know this is an old thread, but what about an LMT lower?
Link Posted: 4/28/2010 10:42:14 AM EDT
[#35]


LMT is high shelf.
Link Posted: 4/28/2010 1:40:49 PM EDT
[#36]
Explains why the Accuwedge didnt fit well
Link Posted: 4/30/2010 9:21:16 PM EDT
[#37]
Noob question;  but if you have a high shelf, can you legally modify it to work with a LL or DIAS?  I'm getting ready to start my first build and would like to some day consider a DIAS.  Had been planning on using a RRA lower.
Link Posted: 5/3/2010 4:36:24 PM EDT
[#38]
Yes, it's a common operation to modify a high shelf to SP-1 spec for a drop-in conversion or certain types of aftermarket triggers.
Link Posted: 5/7/2010 2:32:05 AM EDT
[#39]
rra is no go without milling
I have an essenial arms circa 1990
new vulcan and new dpms
they all work with my link
read m60 joes pagea bout where they cant hit and take a dremel to them.
Someone like m60 joe can make virtually any lower work with a link/dias
Link Posted: 1/6/2011 3:09:56 PM EDT
[#40]
Sharps lowers are Low Shelf.
Link Posted: 8/8/2011 5:19:54 PM EDT
[#41]
Anyone know if a H&K MR556 A1 will work with a DIAS?
Link Posted: 8/26/2011 1:40:11 AM EDT
[#42]
I have taken all of the claimed known good low shelf receivers listed in this thread and compiled them alphabetically. Please copy and paste the list with your additions while keeping it alphabetized. Thank you.


Ameetec Arms
Bushmaster
CMMG
Colt SP1
Colt Sporter II
DoubleStar
DPMS
Essential Arms J-15
LWRC
Mega Machine
New MGIs
Nodak-Spud
Patriot Ordnance Factory
Sendra
Sharps Stripped Lower
SI Defense
Spikes-have to ask for it.
Vulcan
Link Posted: 8/26/2011 2:07:22 AM EDT
[#43]
Your list is inaccurate, because it does not distinguish low shelf (may fit a DIAS) from LL-compatible (has clearance for a link to move).

Some of those listed will fit a DIAS, but will not function with an LL without further machining.

All Colts before the unmachined web sear block introduced in the early 2000s will work with either a DIAS or LL.  If there is a pinned-in sear block, it must be removed first, of course.
Link Posted: 9/2/2011 1:41:12 AM EDT
[#44]
Originally Posted By Circuits:
Your list is inaccurate, because it does not distinguish low shelf (may fit a DIAS) from LL-compatible (has clearance for a link to move).

Some of those listed will fit a DIAS, but will not function with an LL without further machining.

All Colts before the unmachined web sear block introduced in the early 2000s will work with either a DIAS or LL.  If there is a pinned-in sear block, it must be removed first, of course.


Well that is perfectly fine but if you could please sort them out by DIAS compatible verses LL compatible we would all be great-full. I just combed all of the claimed DIAS compatible lowers from the thread. The only ones that I can vouch for are early Bushmaster and SI Defense


Link Posted: 5/17/2012 10:50:44 PM EDT
[#45]
Originally Posted By AjK186:
Anyone use a CMMG lower? Or would they work fine?


cmmg are dias ready

all you need is m16 fire control set and a sear
Link Posted: 7/10/2012 4:38:57 PM EDT
[#46]
AXTS556 Billet lowers are DIAS ready.
Link Posted: 7/10/2012 4:41:11 PM EDT
[#47]
4+ year old thread is old.



And apparently the list is secret as OP never bothered to share.


 
Link Posted: 10/15/2012 1:09:53 PM EDT
[#48]
I believe Essential Arms still offers choice of high or low/
Link Posted: 3/10/2013 12:24:03 PM EDT
[#49]
Originally Posted By nfa86:
rra is no go without milling
I have an essenial arms circa 1990
new vulcan and new dpms
they all work with my link
read m60 joes pagea bout where they cant hit and take a dremel to them.
Someone like m60 joe can make virtually any lower work with a link/dias


Post count: Low
Wisdom: High

I send every RDIAS/Lower combo to M60Joe and they get 'tuned' by the best guy in the business. Some seemed to fit but over time would get accelerated wear points so I now ship every 'new' one I acquire to M60 albeit I'm done with buying any more of them. At $18K+++ per unit, I'll spend 3K more and get a LNIB M16

Link Posted: 3/21/2013 1:05:35 AM EDT
[#50]
Originally Posted By ftldrben:
Originally Posted By nfa86:
rra is no go without milling
I have an essenial arms circa 1990
new vulcan and new dpms
they all work with my link
read m60 joes pagea bout where they cant hit and take a dremel to them.
Someone like m60 joe can make virtually any lower work with a link/dias


Post count: Low
Wisdom: High

I send every RDIAS/Lower combo to M60Joe and they get 'tuned' by the best guy in the business. Some seemed to fit but over time would get accelerated wear points so I now ship every 'new' one I acquire to M60 albeit I'm done with buying any more of them. At $18K+++ per unit, I'll spend 3K more and get a LNIB M16



How many do you have?  I feel so lame only having one

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