I have one, have had for a year now. Very happy with this marker, the accuracy is fantastic, regularly shooting targets past 70-90 yards is no problem.
The marker itself is 100% bad *** ! The construction is outstanding. Fit and function are the same. Great feel and look.
If you are looking for a mag-fed sniper platform the SAR12 is what you want for sure.
Here is mine,
Feel free to pm me if you want to talk some more. Hope this helps and if you do get one you will not be sorry !