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I recently purchaserd both the PSAK-47 and this UTG Pro QD MTU-016.
The mount would not tighten to side plate rail.
UTG customer service stated that PSA is installing narrower rails. If the rail on the rifle isn't 14.1 mm, the mount will not tighten against the dovetail.
Here's what you do to make it fit. You get a pair of vice grips, a rag, and a Philips screwdriver. Tighten the screw all the way until you can't turn it anymore, but don't strip the screw. Make sure the lever is to the rear of the mount. Next place the rag between the vice grips and mount near the center where the screw is. Compress the mount little by little with the vice grips and tighten the screw as you go. Small increments until the rail is rough going on the rifle. Then back out the screw just a little and make sure it slides out without any resistance. Now put the mount on and move the lever to the front of the rifle. It should latch on tight enough now to stay put
No. It is dual sided dove tail. The gf3 has upper side dove tail and bottom is 90 degree angle. This mount is too wide.