Originally Posted by Sgt_Skrb_25
The best clone I've found is the new Lucid P7 fixed 4x power combat sight. Clear glass, works with or with out illumination. Takes a standard AA battery. Has auto dim or adjustable brightness. I've shot my friends $1300 ACOG, this is just as clear and 1/2 to 1/3 of the price.
But it requires a battery
To answer the OP question:
Are there any good ACOG clones?
If you want an ACOG, bite the bullet and buy an ACOG.
I have three. IME, they'd be a bargain at twice the price.