Q&A for Burris FastFire 4 Reflex Red Dot Sight

Burris FastFire 4 Reflex Red Dot Sight

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Russell, guest, from TX, United States, asked on July 29, 2022

I have Winchester model 94 30-30 rifle that i need special base mount that slips into the rear dovetail sight so I can mount the Burris Fast Fire 4.

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on August 10, 2022

We currently carry the XS Sight Systems Lever Scout Mount, which adapts a picatinny rail to your rifle, which you could then use a picatinny mounted optic mount for the FastFire. Both the picatinny base and optic mount can be found linked below:
https://www.opticsplanet.com/xs-sight-systems-lever-scout-mount-mossberg-464-round-barrel-models.html?_iv_gun-model=marlin-model-1894,winchester-model-1894
https://www.opticsplanet.com/burris-fastfire-reflex-red-dot-sight-mounting-plate.html?_iv_availability=in-stock

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Mark, member, from IL, United States, asked on May 02, 2022

How do you remove the pre installed picatinny rail mount?

Manufacturer Answer

Answered by Steiner TS, Manufacturer from CO, United States, on May 31, 2022

You just remove the 2 screws on top of the Fastfire to remove the mount.

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Chri5, guest, from WA, United States, asked on November 05, 2021

Does it stay on at all times like rmr?

Expert Answer

Answered by Jeremy, Gear Expert, from IL, United States, on November 18, 2021

No it does not.

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Coro, guest, from TX, United States, asked on June 05, 2024

Does this fit the fn 509 compact?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on June 07, 2024

If you have an FN 509 MRD (optic ready model), you can install this optic via the #3 MRD plate included with your pistol. If you do not have an optic ready model, you will need to use a dovetail adapter that replaces your rear sight with an optic plate. Please email us at Techsales@opticsplanet.com for more information.

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Alonso Quiceno Ortiz, member, from NJ, United States, asked on May 13, 2024

this optic fitting in my Glock 43X.?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on May 13, 2024

The Burris FastFire 4 Reflex Red Dot Sight is not compatible with MOS (optic Ready) and non-MOS 43X pistols. Please email us at Techsales@opticsplanet.com for assistance in selecting and installing and optic.

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Ray Ben, member, from AR, United States, asked on January 22, 2023

Will it need a plate or can you just mount it directly to Beretta APX CARRY pistol??

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on July 13, 2023

The Burris FastFire IV Reflex Red Dot Sight will require a Docter/Noblex adapter plate which can be purchased directly from Beretta. Once you install the plate to the slide, you will be able to mount this optic.

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Trendt, guest, from FL, United States, asked on September 03, 2022

Theres a video on YouTube titled “Burris Fastfire 4 at 200 yards” and the cover didn’t fit on his Ruger. With adapter, will it fit a M&P M2.0 Compact?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on September 15, 2022

The Burris FastFire IV Reflex Red Dot Sight could be mounted to an M&P M2.0 Compact using a dovetail mounting plate like the one at the link below. The cover should fit fine on the Burris FastFire IV Reflex Red Dot Sight even when using the adapter plate. You will need the EGW plate number 49308.
https://www.opticsplanet.com/evolution-gun-works-vortex-viper-venom-fits-burris-fastfire-and-docter-1-811-in.html?_iv_gun-model=smith-and-wesson-m-and-p-2&_iv_gun-type=handgun

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Rick, member, from OK, United States, asked on August 12, 2022

Does this mount directly to a sig X5 (optics ready) or does it require a base plate?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on August 17, 2022

The Burris FastFire IV Reflex Red Dot Sight uses the Docter/Noblex optic footprint while your X5 is cut for the Leupold Deltapoint Pro footprint. You would need to use a custom adapter plate that converts your optic cut to the DeltaPoint footprint.

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TJ, member, from GU, United States, asked on June 17, 2022

Is this compatible with the Burris AR-F3 mount?

Answered by TJ, member, from GU, United States, on July 04, 2022

No, does not fit AR-F3 mount. I asked this question prior to my purchase of the FF4 (I also own a FF3 w/Arf3). The FF4 wider lens don’t fit through the mount’s wings.

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mike, guest, from WA, United States, asked on March 17, 2022

Does this have the same footprint as the 2 , 3 and vortex venom?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on April 27, 2022

Yes. The Burris FastFire IV Reflex Red Dot Sight uses the Docter/Noblex mounting footprint, which is shared by all Fastfire optics as well as the Vortex Venom/Viper.

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Q&A for Burris FastFire 4 Reflex Red Dot Sight — 36 Questions & 28 Answers