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jeepnut83
07-01-10, 21:47
I'm thinking of building a piston upper for my AR-15 pistol I'm thinking a 10.5 barrel anybody have any experience with this piston system? What rail systems work? I will be building this upper from scratch if I choose a piston setup, any info will be greatly appreciated:D
justin_247
07-02-10, 03:30
I'm thinking of building a piston upper for my AR-15 pistol I'm thinking a 10.5 barrel anybody have any experience with this piston system? What rail systems work? I will be building this upper from scratch if I choose a piston setup, any info will be greatly appreciated:D

The most common rail system that I've seen with this setup is a DD Lite 7.0. It should do the trick.

Careful what muzzle devices you use. With the gas block so close to the end of the barrel, you may not be able to remove the piston rod for cleaning purposes if your muzzle device has too large of a diameter.