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Weaver Multi-Slot Remington 870/11-87 Super-Mag 1-Piece Base

4.6 out of 5 stars 43 customer reviews
| 10 answered questions

Was: $9.99
Price: $8.99 & FREE Shipping on orders over $49. Details
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  • Professional mount
  • Weaver products
  • Weaver bases
  • Multiple slots allow for optimal optic eye relief
  • Machined to tight tolerances for a custom fit
  • Offers maximum strength for rings to hold tight
  • Fits Remington 870 and 11-87 Super Mag shotguns with factory drilled -and-tapped receivers
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$8.99 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Weaver Multi-Slot Remington 870/11-87 Super-Mag 1-Piece Base
  • +
  • Bushnell Trophy TRS-25 Red Dot Sight Riflescope, 1 x 25mm (tilted front lens)
Total price: $86.98
Buy the selected items together


Product Description

This item manufactured by Weaver is top of the line in multi Slot bases. The Weaver R/M/b/a multi Slot bases 48345 Remington 870 will enhance your firearms in a way only Weaver can do. Pick up one for yourself today.

Product Details

  • Item Weight: 4 ounces
  • Shipping Weight: 1.6 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B004NS1EAA
  • Item model number: 48345
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (43 customer reviews)
  • Amazon Best Sellers Rank: #188,998 in Sports & Outdoors (See Top 100 in Sports & Outdoors)

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Might work well for true 870's, but was looking for a mount for my H&R 870 copy; can't fault this product as this back up shotgun is a Chinese knock off, but it's no use to me now. 3 stars are due the slots being a bit sloppy on the edges, some rough metal. Nothing that looks like it effect function, just low QC
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By MH on April 27, 2015
Verified Purchase
Used this on my HR & P shotgun, which is similar to a Remington 870. I used a drill press to drill an extra hole and then used one existing hole, with the long screw (included) and one short one, to attach.
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By D on June 16, 2013
Verified Purchase
this item is listed as being especially for the remington 870, however when you place it on the top of the shotgun lined up with the screw holes, the base does not sit flat, it is curved. I don't know if that effects how secure it is or not but one would think it would sit perfectly flat if it was made for the gun.
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Verified Purchase
Perfect fit for the top of my 870 Mag Ex. Mark. Drill. Tap for #6-48 machine screws. Install. Add optic. Go blasting.

Low profile rail allows for the use of "see through" optic mounts so you can pseudo-cowitness the iron sights. (Move your head up and down a smidge.) Stiff, hard rail. Precision Picatinny lands and slots. Plus, this is the cheapest precision solution you're gonna find.
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Verified Purchase
The rail itself is perfectly fine but the screws it comes with are way too short. It comes with 3 short screws and one longer screw for the back of it. The 3 in the front are made short so they don't interfere with the barrel or action. Assuming that it would be good enough for a month of turkey hunting I put it on my versamax. I applied loctite blue and tightened it up. Mounted the scope and went to the range to zero it. After about 6 shots I was just about done but notice my scope was detached from gun. Only thing holding it on the gun was the long screw in back. I found a screw on the bench and could tell it had stripped the threads out of the gun. After taking it home and looking closer, the three shorter screws only engage about 2.5 threads which obviously isn't enough for 12 ga 3.5" turkey loads. When I put the longer screw in it is twice as long as others. I put it in with barrel out of gun and could feel it come through by just a little bit. I actually had some of the longer ones that matched the one from the kit at home and with a little time with a file I was able to get them to clear the barrel and it held much better. After about 6 more rounds it held this time. So if your gonna mount this rail to a 12 ga, toss the short screws and get some of the longer ones and file them to clear the barrel or it will rip out the threads.
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Verified Purchase
Everything fit perfect on my 870, took about 2 minutes to install, put lock tight on the screws and it's still holding tight, mounted on my turkey gun for my tru glo gobble stopper scope and everything matched up great.
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Verified Purchase
I ordered this rail for my Remington 870. I was hesitant because some people were saying that a lot of sights don't fit on this particular base but I tried three different ones that I own and they all fit perfectly. All the screw holes lined up and the finish on this thing looks nice with the finish on the shotgun. I would recommend this item.
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Works, BUT only works with Weaver (non-Picatinny) rings/mounts. I tried an Aimpoint Red Dot with an A.R.M.S. MIL-SPEC, 1913 base/mount. No go. Ended up ordering a Picatinny from Millett. I have already drilled and tapped my receiver since it was an older 870 that predated having options for optics on shotguns. Both the Weaver and the Millett are intended for pre-drilled 870 receivers, that SHOULD mean the same hole spacing. But then that is logical and may therefore may be WRONG!

Regardless, this base is for Weaver style/spec, not Picatinny.
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Weaver Multi-Slot Remington 870/11-87 Super-Mag 1-Piece Base
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