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Posted: 9/21/2003 9:06:37 AM EDT
[Last Edit: 9/21/2003 9:10:27 AM EDT by MaverickMkii]
For my 20" AR15 with 4x ACOG, I've been thinking about getting a KAC M5 RAS for better heat dissipation. I have a few questions for M5 RAS users -

1.How solid is it? (please compare to FF RAS or SIR)

2.Since M5 RAS doesn't FF, would the weight of M5 RAS affect accuracy a lot? (I have no competition parts on my rifle)

I know I would be better off with FF RAS but I like the fact that I can install and uninstall the RAS without gunsmith's help.

I personally have seen a KAC M4 RAS, but I was worried about M5 RAS since it is much longer than M4 RAS and it would be heavier and flex more.
Link Posted: 9/21/2003 10:38:48 AM EDT
Link Posted: 9/21/2003 5:33:21 PM EDT
Tne M5 RAS locks in at the front handguard cap and the barrel nut. The rail unit is pretty stiff, so it does not flex. Leaning hard on a bipod [i]might[/i] shift your POI, but I don't worry about it. [img]http://photos.ar15.com/ImageGallery/Attachments/DownloadAttach.asp?iImageUnq=5891[/img]
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