What is the best way to bond a plastic 'snap on sight' to a shotgun barrel?

Question

Remington 11-48 RECOIL operated shotgun where the barrel slams back into the receiver to cycle the action.

Bought it as a parts gun with a cut down 21" barrel without a bead and decided to make it functional.  Tried Gorilla Super Glue to hold it in place but that didn't work at all. Never tried to bond plastic to a blued metal surface before so any help would be appreciated.

C T M · Accepted Answer

How good are you at drilling straight? Good enough to use this kit?
http://www.brownells.com/shotgun-parts/sights/sight-parts/sight-refill-kits/shotgun-sight-convenience-kits-prod338.aspx?cm_mmc=cse-_-Itwine-_-shopping-_-Shotgun%20Sight%20Kit%20a&gdftrk=gdfV21820_a_7c187_a_7c1021_a_7c080532132_d_080532000_d_10359

That is exactly what I would do, as a matter of fact I have done it, twice. Use a permanent thread sealer when you install the bead.

Lime Green Medic · Answer

Plastic is not going to hold up to the violent reciprocation of the 11-48 action, as you have already noted.

Your best bet is a metal-on-metal sight applied by a gunsmith.  No other good option.

Jackrabbit Slim · Answer

Gorilla glue requires pressure to form a tight bond.  So unless you clamped it it probably wasn't going to work.  Have you tried superglue or epoxy?  Probably wouldn't hurt to scuff the blueing a little and make sure you remove all oils.  The gorilla glue probably removed most of it.

Jeff · Answer

I have had mixed results with jb weld.... the lack of surface area provided by the sight works against getting a good bond

august · Answer

I think a permanent sight is probably best. Do as Lime Green and Cane Toad have said, and either install a bead sight yourself or have a gunsmith install it.

Missourian · Answer

Shame you already choose a best answer.

The product you are looking for is Black Max Adhesive from Loctite.

http://www.brownells.com/gunsmith-tools-supplies/general-gunsmith-tools/thread-locking-liquids/black-max-adhesive-prod6139.aspx

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What is the best way to bond a plastic 'snap on sight' to a shotgun barrel?

6 Answers