savageshooter308 Posted July 7, 2010 Report Share Posted July 7, 2010 I got a DPMS AP4 that I like except the hand guard. Id like a lo pro gas block and a mid length hand guard. I see DPMS shows a carbine and a "standard" length. I take "standard" to mean rifle length like whats on my SASS, which would be to long. Where can I get a mid length quad rail to fit my AP4? Quote Link to comment Share on other sites More sharing options...
survivalshop Posted July 7, 2010 Report Share Posted July 7, 2010 DD has a mid length,I think you can get it for the DPMS bbl. nut system . You will have to ask them or some one here will speak up.I know from wanting a mid length gas system ,there are not many out there in mid length for 308 . https://www.danieldefense.com/?page=shop/detail&product_id=21 Quote Link to comment Share on other sites More sharing options...
savageshooter308 Posted July 7, 2010 Author Report Share Posted July 7, 2010 The DD products are out of the range im willing to spend. I just got an email from DPMS conferming the standard is 12" and they do not make or offer a 9" mid lengeth. Bummer. Quote Link to comment Share on other sites More sharing options...
axaviere Posted July 9, 2010 Report Share Posted July 9, 2010 try yankee hill machine or just type mid length 308 quad rail in yahoo and dig. try JSE.com or Rguns.com as both have stuff in all sizes listed for sale at really good prices. if your not in a rush, they get stuff in as fast as they can if its out. Quote Link to comment Share on other sites More sharing options...
metalmole Posted September 10, 2010 Report Share Posted September 10, 2010 I don't know how many folks know this, but DPMS changed the top height of there AP4 uppers some time early this year. I had an older AP4 upper with a DD middy handguard, I was designing a gas piston gas block to interface with the rail, after I got my project finished and working I decided to build another upper using the same height gas block and DD rail, WHAT!! the new AP4 upper was about .050 lower than my older one. Some searching around I found a post that someone confirmed what I had found. Today a customer came in with a new AP4 and a Tray rail, and sure enough the upper was about .050 lower, it looked like s--t, told him I didn't know what he should do. I think the rest of the manufactures of other DPMS type uppers are sticking with the original height. Can or does anyone else have any knowledge of this ?? Quote Link to comment Share on other sites More sharing options...
imschur Posted September 10, 2010 Report Share Posted September 10, 2010 Theres been a few versions. Someone posted the dimensions in another thread. Im sticking with Fulton Armory if I want a DPMS. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted September 10, 2010 Report Share Posted September 10, 2010 DPMS upper height info here:http://308ar.com/forum/index.php/topic,260.msg1623/topicseen.html#msg1623 Quote Link to comment Share on other sites More sharing options...
metalmole Posted September 11, 2010 Report Share Posted September 11, 2010 Thanks 98Z5V for the info, I think they changed there uppers so customers who buy an upper/rifle with the plastic handguards will have to buy there railed handguard insted of the aftermarket. I know I have purchased my last DPMS anything, I think they will realize they shot thereself in the foot, there are some pretty good manufactures coming along better compnets............. Quote Link to comment Share on other sites More sharing options...
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