Glock 19 Surefire X300 - The Surefire X300 Ultras has long been a leader in the field of gun mounted lights. Some people have had mounting issues with the Model A lights. It can be annoying, but there are simple solutions to the problem.
First, check and see if you have any installation problems. Some I've seen just slip and have no problem. Otherwise, you have two options. It's a more personal decision. Some bought the Model A so they could easily attach and detach the light on different guns. If this is you, there's a quick and easy solution. Cut strips of masking tape and attach them to the back of the frame where the light will be. Add more or fewer strips until the light is securely in place when attached.
Glock 19 Surefire X300
You can apply tape to the light itself, but by sticking it to the gun you can individually adjust how much tension you need to add on each gun you plan to mount the light with more or fewer layers of tape. Huh. I've heard some people use adhesive velcro on the back to achieve similar results.
Glock 19/19x W/ Surefire X300 Iwb Bravo Lite Holster
Surefire has also included additional hardware for those who want a slightly more permanent solution. Your x300U-A comes with a universal bottom plate. As you've already noticed, this works well for many setups, but not all.
First, choose a suitable mounting plate. A U mount is the one that comes standard, a P mount that can be swapped out for a Picatinny rail, and a Rail Lock that we'll be using for this article. Rail locks can be used for most purposes. This is thanks to a tension screw that can be adjusted from the side.
We have the universal plate on the left, the P for Picatinny rails in the center and a rail lock plate with a tensioning screw system on the right. The two crossbars in the middle are also part of the rail lock plate carrier.
Install the locking piece in the rail locking bracket as shown and turn the side screw a few turns.
Glock Rigel (surefire)
Note that there are two cross sections that also came with the light marked P and U. P again stands for Picatinny and U stands for Universal. I chose the Universal and it worked fine for my lower Glock 19. Add the crossbar as shown and press the bracket into place.
Push the back end of the plate through the tension screw first, then snap the front end through the crossbar.
Reinstall the rails in their original orientation with the six screws. Do not over tighten as they can be easily removed. Make sure the cross bolt is on the edge before tightening as shown.
Mount the light on your gun rail and slide the crossbar into place. Finally, tighten the silver screw until there is no play in the light mount. As you tighten the screw, you will see the unmistakable logo being pressed into the side and bottom of the firearm. This avoids unwanted movements.
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See that when the tension screw is turned, the SF logo presses down on the mount to tighten it onto the firearm.
For easy removal, press the right push button and crossbar. Then pull the crossbar to the other side and remove the rail light.
Loosen the clamp screw, then press the release button and cross section to remove the light.
Whether you decide to add tape or use the included hardware is up to you. Both are simple improvements and improve the fit of your X300U-A.
Surefire X300u A
Richard lives in Southern Indiana and has a great interest in training, modified guns, optics and low-profile gear/tactics. Some may consider this a form of hoarding or addiction, but he never tires of collecting stamps and lumens!
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