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11/1/2011 7:57:13 AM EDT
Hello All,

Please forgive the noob question. I just received a new upper and it came with a midlength handguard and a triangular hand guard cap. Will that triangular cap change what I need to look for in a mid-length quad rail?

Thanks for your help in advance.

Tom
11/1/2011 9:28:34 AM EDT
[#1]
On "drop in" quad rails that I have used (Troy and MI) have a notch on the end where it seats into the end cap to accept the round or triangle end cap but not sure they are all like that.
11/5/2011 5:31:50 PM EDT
[#2]
It really depends what rail your going to get
Free float rails you will need to take the cap and gas block off to put one on and you won't need to put it back on

If you get a 2 peice it would depend on what it says it's compatable with just read the reviews before you buy it
I know alot it dosnt matter too much. But it depends on the brand
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