[ExcursionGuy84]

If my Dream were to come true, the action would the the short-throw piston/bar set-up that Heckler & Koch conjured up to further evolve the AR combat capabilites.

'Course they've already got their own iteration with the HK416, a favorite of the USSOCOM grunts from what I read/hear.

[Chode]

yup... it's a winner.

[Erik Latranyi]

If you want an AR-style rifle without the gas tube, check out Robinson Arms. (Available in 6.5mm and 6.8mm)

http://www.robarm.com/index.htm