scope mount for 11-87 - The Outdoor Community
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post #1 of 6 (permalink) Old 01-28-2019, 09:04 PM Thread Starter
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scope mount for 11-87

suggestion for a 11-87 scope mount.

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post #2 of 6 (permalink) Old 01-29-2019, 09:43 AM
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Check out the B Square saddle mount.
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post #3 of 6 (permalink) Old 01-29-2019, 09:50 AM
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Originally Posted by MQ-1 View Post
Check out the B Square saddle mount.
That works great. If you want it a bit more permanent you might consider a gunsmith drilling and tapping the reciever, or get a barrel with the cantelever mount. (aluminum isn,t the best choice for drill & tap)

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post #4 of 6 (permalink) Old 07-26-2019, 01:31 PM
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1187 have steel receiver.
Barrel tang may thin down the top area.
Then there's the sight trough, which loses a thread or two.
Guys building autos for deer hunting looked hard for the old Sportsman 12 Auto's, as they were round top and got em a couple extra threads (6x48).

There are mounts than have attachment screws not down the center, both sides at an angle.
Proly need a gunsmith to install those.

Aluminum........had no probs w Mossberg 500's D&T for scope base. Alum receivers there, but proly thicker in comparison to 1187.

Cantilever...........puts scope high, but negates any mod to receiver.
Buy a high comb buttstock. But don't be surprised if it aint high enough.

Clamshell receiver "no gunsmithing" mounts.
Will scratch up your receiver. If matte, will still show shiny after a while.
I taped the inside of mine to lessen the risk.

Some mounts of that type (Aimtech) may not have grooves fully machined. Had to clean up a couple back in the day (over a ten yr span saw at least 3 different mounts not done right in that regard). #1 Mill ------- file for the save.

Also.......the rear of the scope rail on such mounts is often at a 90 degree, and in the way of scope power ring (depending on scope).
Why manufacturers didn't put a 45 degree bevel at the rear I dunno.
I did that to several for myself and customers.

Birchwood Casey Aluma black makes the mods look factory.

On the aluminum ones, and the Remington plastic one (sits lower)......the area where the cross bolts go for the trigger a bit wide. Might be in your finger/knuckle area. Maybe not in shooting, but carrying. Could be annoying.

The Remington plastic mount sits low, but is cheap where the hex nuts go into pockets for the cross bolts.
Best to take up the slop w epoxy.
Usable then.

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post #5 of 6 (permalink) Old 08-19-2019, 11:12 AM
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which 11-87 do you have?

if you have the cantilever/rifeld barrel then weaver mounts are great, I have them on both my 1187 (12ga & 20ga) If you have the field barrel and use it for both deer and small game, etc then tapping the receiver is useless as you would need to resight in the scope everytime you take it off. The B-Square in this case would be your best choice, but remember you can loose zero with the type of set up as it's not that solid.

If you can swing it, the cantilever/rifled barrel would be your best choice in terms of accuracy and use of the shotgun from slugs to simple switch of barrels, with never loosing zero
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post #6 of 6 (permalink) Old Today, 09:07 AM
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Different semi but I had a B-square mount on it ... Gun got double duty between waterfowl and turkey(scoped). In the spring I put on the scope and checked zero(stayed pretty good - was never way off) then in the fall it came off for waterfowl. One plus with the B-square was you could still site down the barrel trough a small channel between the mount + receiver... which came in handy once or twice - blk crosshairs in low light are hard to see on a turkey.

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