I have both. One Grendel with a Syrac piston, a Grendel and a 5.56 with Superlative Arms Adjustable Gas Block DI and another 5.56 with an Adams Arms piston.
For the level of shooting I do there is no difference, except, I spent a lot of money on the piston systems I could have used for something else.
Reading through an immense quantity of "expert" opinions in the forums, the matter of having to clean the BCG and environs on a DI system, really doesn't play until you have done about 5000 shots. I shoot about 200 a month, so it will take me a long time before I really have to clean my DI rifles. The trick is to always keep the BCG and environs wet with oil. And again through the "experts", the best oil at the end is plain 10-50 synthetic motor oil.
In any case, I still clean my weapons periodically, but I don't feel the urge or obligation to do it immediately after each session. I sincerely thank all the chemists that made non-corrosive primers and powders a reality.
Note: Soon I will be putting together another Grendel to be used exclusively with cheap steel cased ammo. That might have a different need for cleaning.
For the level of shooting I do there is no difference, except, I spent a lot of money on the piston systems I could have used for something else.
Reading through an immense quantity of "expert" opinions in the forums, the matter of having to clean the BCG and environs on a DI system, really doesn't play until you have done about 5000 shots. I shoot about 200 a month, so it will take me a long time before I really have to clean my DI rifles. The trick is to always keep the BCG and environs wet with oil. And again through the "experts", the best oil at the end is plain 10-50 synthetic motor oil.
In any case, I still clean my weapons periodically, but I don't feel the urge or obligation to do it immediately after each session. I sincerely thank all the chemists that made non-corrosive primers and powders a reality.
Note: Soon I will be putting together another Grendel to be used exclusively with cheap steel cased ammo. That might have a different need for cleaning.