How best to mount a Burris Fast Fire iii on 870 20 gauge?

[TeeGee]

I have a Remington 870 express 20 gauge, and bought a Burris Fastfire iii as a red dot sight.  I tried the B square saddle mount because I heard it was decent and the weaver style might fit.  It did not.  Instead I got a picatinny saddle mount, no name brand from China, which I kind of hate.  It's got sharp edges, cut myself on recoil, don't like the way it sits.  But the big problem is it puts the sight waaaay up high.  I'd need a 2"+ cheek riser to get my head up enough.

So... what would you suggest I mount this fastfire to my 870 20 with?  The hope is to get it much lower profile.

I've read a little about the 336 mounts here, don't know if that would work for me...?  Other good options?

I was originally hoping to do this myself without drilling, thus the saddle mount.   But while I really like the red dot, I hate the how high it's mounted, so maybe a trip to the gunsmith is in order...

[USMC0331]

Meadow creek rib mount or sumtoy receiver mount

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[SumToy]

Meadow creek rib mount or sumtoy receiver mount

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[PharmHunter]

Drill and tap it and get a Sumtoy or the 336 you mentioned.

[Tom007]

Meadow creek x3. Fantastic mount

[Gmed]

I have two 870s in 20 gauge and had both drilled and tapped. Put on half of the Weaver 2-piece base for the 870 and good to go. The base is only a hair longer than the sight and about as low as you can get...

[Gentry]

Sumtoy. Send it to him and he'll fix you up


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[Tom007]

Agreed, his non vented rib mount is one of the best for sure, good guy....

[TX_Gobbler]

Have you looked at the Burris Speedbead Mount for a Rem 870?  Your Fastfire 3 will fit as designed.

https://www.burrisoptics.com/mounting-systems/mounts-and-bases/speedbead-mounts

Burris Part # 410680 for the Remington 870

[BINK McCARTY]

Have you looked at the Burris Speedbead Mount for a Rem 870?  Your Fastfire 3 will fit as designed.

https://www.burrisoptics.com/mounting-systems/mounts-and-bases/speedbead-mounts

Burris Part # 410680 for the Remington 870

I'd opt for this ^^^^^ but if you don't and do decide to go with to drill & tap I'd DEFINITELY go with the Burris 336 base. I did the Weaver mount first and didn't like how high it was, so I got the Burris. But the speed bead system is the lowest you will find.
First picture is the Weaver mount,second is the Burris 336 base.

[BINK McCARTY]

I tried to upload one of my pictures of my SBE 2 with the speedbead mount but they were too large. Just google the image of what it looks like. Good luck!!!

[Rapscallion Vermilion]

Have you looked at the Burris Speedbead Mount for a Rem 870?  Your Fastfire 3 will fit as designed.

https://www.burrisoptics.com/mounting-systems/mounts-and-bases/speedbead-mounts

Burris Part # 410680 for the Remington 870

Based on responses from Burris to questions, I don't believe the 870 speed bead will work with the 20 gauge 870.  Has someone here found otherwise?

[coopsdaddy]

Curious about this as well.

[Greg Massey]

Meadow Creek mount... It's funny some of you always say drill and tap... Well first you have got to have a gunsmith in most cases to do this for you. So if you don't have a Gunsmith within several miles of where you live drill and tap is not always the option... IMO

[hawkeye1958]

Meadow Creek mount if you don't want to drill and tap. I didn't think I would like the forward mounted rib mount. Put one on and I love it.

Hawkeye