Hi,  I have a complete LMT lower & want to get an upper for it. I'm leaning towards the LMT basic upper (DI system) because that's what the lower is. Plus it has the 1-7 twist. Most of my ammo is 62gr. but I'd also like to use 77gr.,, Plus it's in stock. Are their DI systems GTG??? But then Riflegear also has a Stag H8 upper in stock but it's 1-9 twist. I've read good things about Stag although not sure about the 1-9 twist for 77 gr... And the Stag is a piston system. Does it look better to have the upper match the lower???     Thanks,   Bill   ; )

Get the LMT, no comparison.
The piston is not an upgrade.

Thanks a bunch M4A1... I just bought the LMT from Rifle Gear...   ; )    Bill