I installed the Burris Fastfire 2 Red Dot in 15 minutes and within 20 had it co-witness with no issues on a M&P core Ported 40 cal. 5 inch barrel. The main thing to remember when adjusting the sights is do do exactly what the instructions says to do. Loosen the locking screws by half a turn this will allow you to adjust the sight on the gun take it off with out any movement on the screws while you tighten back the locking screws. This sight is very small and easy to use. It is the same size as the Doctor red dot. The quality is great and I found no issues with the workmanship. The clarity of the lens is incredible. It comes with lifetime warranty and for under $200 I see no reason to spend money on optics that cost half of the gun.
I originally was waiting to get the vortex Viper but they ended up not selling it due to issues. I then was waiting for the Sig Sauer Romeo 1 but it cost $350. The Leupold deltapoint 3.5 is no longer being sold. I decided on the Burris Fastfire 2 based on the below reviews one my Jerry Miculek using the Fastfire 2 to explain and show co-witness. the other is the best review I have seen about the Ported M&P core. I really like that it has an off and on switch which is what I wanted.
Tips for Co- Witness
MICULEK3-3
Review
Smith & Wesson M&P
The Fastfire 2 uses plate 3 screw type c. It is the same as the Doctor sights. Fastfire 2 and Doctor sights have the same foot print and dimensions. Please note in the picture I tried to get the camera at the best angle I could to show the co-witness.
I originally was waiting to get the vortex Viper but they ended up not selling it due to issues. I then was waiting for the Sig Sauer Romeo 1 but it cost $350. The Leupold deltapoint 3.5 is no longer being sold. I decided on the Burris Fastfire 2 based on the below reviews one my Jerry Miculek using the Fastfire 2 to explain and show co-witness. the other is the best review I have seen about the Ported M&P core. I really like that it has an off and on switch which is what I wanted.
Tips for Co- Witness
MICULEK3-3
Review
Smith & Wesson M&P
The Fastfire 2 uses plate 3 screw type c. It is the same as the Doctor sights. Fastfire 2 and Doctor sights have the same foot print and dimensions. Please note in the picture I tried to get the camera at the best angle I could to show the co-witness.
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