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AR15.COM
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11/15/2008 2:58:37 PM EDT
What is the difference in a high shelf lower and one that is low shelf
IE
spikes st-15 and sl-15 lowers?
11/15/2008 3:09:16 PM EDT
[#1]
the low shelf lets you use a registered drop in sear or lightlink link.
11/15/2008 3:37:37 PM EDT
[#2]
The "shelf" is the area inside the rear of the lower reciever just under where the rear take-down pin connects. A "low shelf" reciever allows for the use of DIAS (Drop In Auto Sear) Assembly. A REGISTERED DIAS assembly, is the only LEGAL way to "make" a fully automatic AR15. Buying A REGISTERED Drop In Auto Sear Assembly costs about as much as buying an actual M16, and requires the same paperwork/taxes.

FlDiveCop71
11/15/2008 3:44:10 PM EDT
[#3]
Pics of high vs. low shelf:

http://www.ar15.com/content/page.html?id=320
11/15/2008 4:40:30 PM EDT
[#4]
I know that these are low shelf, Bushy, DPMS, Ameetec and my old Colt SP2. There may be a couple more, maybe somebody else can add to the list.
11/15/2008 10:20:38 PM EDT
[#5]
Mega is low shelf as well.
11/15/2008 10:26:32 PM EDT
[#6]
LRB is low sholf
11/15/2008 10:28:53 PM EDT
[#7]
Are the new Colt's low shelf??
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