Aluminum Picatinny rail - Why do I need to glue this???

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clidefr0g

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So I have purchased my gun finally. Thank you to all involved in helping me figure out caliber and model!

I went with the Sako A7, in 7mm RM, Got a bi-pod, limb-saver, and a nice leather sako sling coming for it too. I was reading and the gun comes with a 2 piece aluminum picatinny rail. The manufacturer says if you are going to use this rail it needs to be glued to the rifle. This makes ZERO sense to me, it should either work or not, and its constructed material should not be effecting its need to be glued..

Can someone please educate me on why I must do this? Or help me find a replacement steel base that does not require gluing?

Thank you! and I hope this is the right section, I was confused if I should put this in optics, gunsmithing, or hunting and sporting arms..
 
It's not unheard of to use some sort of glue under a rail to bed the rail to they gun. They could also be referring to a thread adhesive?
 
Im probably describing it wrong, its two small pieces of picatinny rail (maybe just weaver not quite sure the difference yet)

The middle one in this picture.

sako-a7-6.jpg
 
"Gluing" is weird... bedding is better...

It is common to 'bed' a base to an action. It is done with the screws loose and when the epoxy sets up a perfect fit is achieved and when the screws are torqued tight no stress is imparted to the action or rail. A little trickier to do it with 2 piece bases but it can be done using rings and a tube.
 
Why would they tell me to use a steel base if i dont glue it, does it need to be glued? What is the difference between aircraft aluminum and steel.. is what is confusing me mostly..
 
clidefr0g said:
Why would they tell me to use a steel base if i dont glue it, does it need to be glued? What is the difference between aircraft aluminum and steel.. is what is confusing me mostly..
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I would suggest you ask them... you didn't mention screws... do you use them too?
 
So let me get this right. You buy a $1000 rifle and the manufacturer tells you to glue the bases on?? But on a $300 savage they are screwed on. Something is really messed up here.
 
hometownhero said:
So let me get this right. You buy a $1000 rifle and the manufacturer tells you to glue the bases on?? But on a $300 savage they are screwed on. Something is really messed up here.
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It was 1300 after tax, and apparently :p

Blegend said:
Those are called bases, not rails. Just for the sake of clarity. Just use loc tire and screw em on, same as any other rifle I'd say
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Thanks for the clarity, im pretty new to rifles, never mounted a scope before. You just locktite the screws right? (blue?) or is it asking me to put a layer of glue down on the base surface and literally glue it to the receiver?
 
RECEIVERThe receiver is drilled and tapped for mounts. Aluminium Picatinny rails are included. If these are used, they have to be glued, but these may be replaced with suitable steel bases that are readily available on the market.

Thats what it says on the sako site. No idea what the difference between steal and aluminium is. Would be interested to know though.
 
hometownhero said:
RECEIVERThe receiver is drilled and tapped for mounts. Aluminium Picatinny rails are included. If these are used, they have to be glued, but these may be replaced with suitable steel bases that are readily available on the market.

Thats what it says on the sako site. No idea what the difference between steal and aluminium is. Would be interested to know though.
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That is essentially the entire point of making this thread lol It makes no sense! I talked to the guy at wholesale sports today and he said it didnt make any sense to him either.
 
I think they are referring to the loc tite as glue in this case.
Maybe because of the different metals the screws could potentially experience different conditions then if all the metal was steel?
 
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