Classic rail ?

[tippmann1971]

How do you take off the twistlock lock on the rail?

[flyingpootang]

Use a punch and tap it out on the bottom side of the rail.

[tippmann1971]

thanks.

[Lenny]

You could do what Pootang said, or you could do it my way.

First, find yourself a really big mallet.
Next, watch your fingers...