Which KAC rail system is this???

[dave29]

http://cgi.ebay.com/NEW-Knights-Armament-Rail-System-Complete-W-Foregrip_W0QQitemZ330366960383QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item4ceb67c2ff

[mvician]

looks to be the M5 (rifle) RAS

[dave29]

That's what I was thinking. I didn't buy that one, but I bought the other one that guy had.

Looks like it is not a free float, guess I will have to build a SPR now.