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Posted: 9/21/2004 6:46:37 AM EST
[Last Edit: 9/21/2004 9:23:24 AM EST by Hank_Rearden1]
Who manufactures mil spec lowers? i.e., no raised shelf, proper finish, fit, etc?

Thanks!

[Edited to rephrase question (see above) and add poll.]
Link Posted: 9/21/2004 7:09:19 AM EST
everyone but not for civilians
Link Posted: 9/21/2004 7:17:38 AM EST
Currently, Colt makes M-16 and M-4 receivers, FN makes M-16 lower, all of which are mil spec'd.

As far as semi receivers, their is no mil spec receivers since the goverment does not buy semi auto receivers, nor has any specifications for them.
Link Posted: 9/21/2004 9:10:30 AM EST
I thought Bushmaster and RRA recievers (Semi-auto) were mil spec, except for the sear pin hole? is that correct?
Link Posted: 9/21/2004 9:11:47 AM EST
I believe continental machine and tool/ stag arms
Link Posted: 9/21/2004 9:18:32 AM EST
[Last Edit: 9/21/2004 9:19:15 AM EST by Hank_Rearden1]
I guess what I really want to ask is which receivers are closest to mil spec, with respect to design and finish? Thanks.!

Poll coming.
Link Posted: 9/21/2004 9:29:48 AM EST

Originally Posted By Hank_Rearden1:
I thought Bushmaster and RRA recievers (Semi-auto) were mil spec, except for the sear pin hole? is that correct?



My two RRA lowers have the high rear shelf.

Mine have the older stampings too: Rock
River
Arms
Not the newer crosshair style. And are stamped Cleveland OH, I think they have some other city now stamped into them.
Link Posted: 9/21/2004 10:56:55 AM EST

Originally Posted By gotm4:

Originally Posted By Hank_Rearden1:
I thought Bushmaster and RRA recievers (Semi-auto) were mil spec, except for the sear pin hole? is that correct?



My two RRA lowers have the high rear shelf.

Mine have the older stampings too: Rock
River
Arms
Not the newer crosshair style. And are stamped Cleveland OH, I think they have some other city now stamped into them.



So do the new ones not have the "shelf"?
Link Posted: 9/21/2004 11:52:10 AM EST
Link Posted: 9/21/2004 12:02:19 PM EST
Well that about solves that.
Link Posted: 9/21/2004 12:10:41 PM EST
Thanks Troy...


So anyone care to comment on MEGA lowers?
Link Posted: 9/21/2004 12:16:20 PM EST

Originally Posted By Hank_Rearden1:
Thanks Troy...


So anyone care to comment on MEGA lowers?



I have several. Love them, are beautiful but the one i have built up has a high shelf in it. Not sure if the other two do.

The Ameetec lowers are coming on strong though.

Link Posted: 9/21/2004 12:16:49 PM EST

Originally Posted By Hank_Rearden1:
So anyone care to comment on MEGA lowers?



Well.. There's no "unmachined side" like my Bushmaster lower. And the "shelf" isn't as high as my brother's Rock River Arms Lowers.

The finish on the MEGAs is:
"Hard Anodized finish, Mil A-8562 (very black)
60 Rockwell abrasion and 30 Rockwell point"
Now that doesn't mean much to me, but from holding them in my hands, I can tell you that the finish is very very good.
Link Posted: 9/21/2004 12:31:42 PM EST
[Last Edit: 9/21/2004 12:32:16 PM EST by Capro]
Rock River Arms Lower (This is a "us property" marked lower from AR15sales.com, purchased about a month ago, if that makes a diff):




MEGA Lower (from Carricozarmory.com, picked up last Friday, please excuse the grease):


Link Posted: 9/21/2004 12:34:43 PM EST
I'm going to have to say the FAB-10 is the closest.
Link Posted: 9/21/2004 12:45:21 PM EST
[Last Edit: 9/21/2004 12:45:49 PM EST by Hank_Rearden1]
nice pics thanks... I guess I just didn't appreciate my Bushy lower enough, I am going to have to take a closer look at MEGA and DPMS though for my next build... the price difference makes them appealling.
Link Posted: 9/21/2004 2:21:46 PM EST
Link Posted: 9/21/2004 2:27:34 PM EST
Link Posted: 9/21/2004 4:48:05 PM EST
Thanks guys for the pics and insight!
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