Quote:
Originally Posted by GreenBastard745
Ok thanks, but would i need a tri sight to hold it togeather?
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You wouldn't need a tri-sight to hold it together - with that collar in picture, that is what connects the RIS to the receiver. I do prefer, however, to retain my stock tri-sight as it is the 'gas block', and it also keeps the RIS pretty much rigid in place butted up against it. Without it, i found that the RIS tended to have a bit of up and down travel (perhaps 2-3 mm of flex) when handled. I don't like flex in metal components, as metal tends to crack with flexing over time.