SA-28 Rail Mount Question

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guesswho
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SA-28 Rail Mount Question

Post by guesswho »

Does anyone know the screw spacing for the rail on a Mossberg SA-28? I just ordered one and plan on replacing the rail with a mount like EGW for a Holosun. I was wondering if their Universal .670 would work. Spacing in it is .500-.505, .600, .860 and 1.4. I only have 10 months to get this set-up, so I figured I better start now.
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Re: SA-28 Rail Mount Question

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guesswho wrote: May 15th, 2023, 4:55 pm Does anyone know the screw spacing for the rail on a Mossberg SA-28? I just ordered one and plan on replacing the rail with a mount like EGW for a Holosun. I was wondering if their Universal .670 would work. Spacing in it is .500-.505, .600, .860 and 1.4. I only have 10 months to get this set-up, so I figured I better start now.
Just cut the factory rail down and use the 2 screws.
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Re: SA-28 Rail Mount Question

Post by guesswho »

I’m changing to lower the line of sight. By going to the EGW on my other gun it lowered it about 3/8 of an inch.
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Re: SA-28 Rail Mount Question

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guesswho wrote: May 16th, 2023, 7:31 am I’m changing to lower the line of sight. By going to the EGW on my other gun it lowered it about 3/8 of an inch.
I don’t believe EGW makes a mount for the SA. They might but a couple of months ago they didn’t.
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Re: SA-28 Rail Mount Question

Post by guesswho »

I think the universal mount may work. I may have to elongate ine of the holes.
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Re: SA-28 Rail Mount Question

Post by Riverrat »

guesswho wrote: May 16th, 2023, 9:34 am I think the universal mount may work. I may have to elongate ine of the holes.
You will have to elongate one of the holes for sure. I don’t know exactly what process they use but that piece of aluminum is the hardest I’ve ever worked with.
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Re: SA-28 Rail Mount Question

Post by decoykrvr »

Check w/ Sumtoy. I think that he is making a base for the SA-28. A friend whose gun I worked on several weeks ago, recently ordered the base and a choke tube (the choke was built expressly after extensive evaluation for the SA-28) from Sumtoy. My friend has yet to pattern the "new" tube, but killed a gobbler out west w/ the gun and Hal's favorite 1 1/2 oz, 28 gauge load.
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Re: SA-28 Rail Mount Question

Post by guesswho »

I just checked with Sumtoy and they do offer a mount for the Holosun HE507C and a Mossberg SA-28 Thanks decoykrvr :thumbup:
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