Treating Rusty Gun

[Dee_Noy]

Hi everyone,

I just got an BSA Air Sporter 1800 Series, pretty old gun with rust everywhere.
Is it possible to take off rust and make it look better?
Some said bluing will make it like new. If anybody know how to do it, please tell me.

Thank you

 

[shambozzie]

0000 steel pad and oil. Heavy on oil and rub gently.

 

[JW652]

Kroil is the best rust dissolving oil I have ever used. Very thin. It creeps and burrows under the rust. Great stuff.

 

[Airgun-hobbyist]

Here's a video to watch.

 

[Racenviper]

I have used Kroil and bronze/Nylon brushes without harming the bluing.

 

[jkingrph]

Also can rub the rust with oil and a new twist drill shank, or hardened steel rod. Will not harm blueing.

 

[KWK]

Never even heard of an "1800 series". They're normally designated by "Mark" 1 thru 8. Or "S", or "Stutzen", or "Centenary", or "RB2" etc.
What's an 1800 series?
You can rub all day with oil and fine steel wool. The blue won't come off.
If somebody took blue off with oil and steel wool PROVE IT.

 

[Dee_Noy]

0000 steel pad and oil. Heavy on oil and rub gently.

Thank you.

 

[Dee_Noy]

Kroil is the best rust dissolving oil I have ever used. Very thin. It creeps and burrows under the rust. Great stuff.

Thanks man. I will try it first.

 

[Dee_Noy]

Here's a video to watch.

Great. Thanks for giving me this information.
Never had and treating such old gun.

 

[Dee_Noy]

Never even heard of an "1800 series". They're normally designated by "Mark" 1 thru 8. Or "S", or "Stutzen", or "Centenary", or "RB2" etc.
What's an 1800 series?
You can rub all day with oil and fine steel wool. The blue won't come off.
If somebody took blue off with oil and steel wool PROVE IT.
View attachment 334163

Not sure. Seller said it's 1800 series. This is my first BSA gun.
It shot but not really well.
Anyway I will try to rub with oil first.

 

[KWK]

Not sure. Seller said it's 1800 series. This is my first BSA gun.
It shot but not really well.
Anyway I will try to rub with oil first.

Common problem with most Airsporters is the buffer washer swells up and gets tight in the cylinder. Same for Mercurys. Probably time for a new O ring and buffer washer. Airsporters and Mercurys are real fun to work on.
When you're finished rubbing with oil without any result get the steel wool out. Good luck with it

 

[Dee_Noy]

Common problem with most Airsporters is the buffer washer swells up and gets tight in the cylinder. Same for Mercurys. Probably time for a new O ring and buffer washer. Airsporters and Mercurys are real fun to work on.
When you're finished rubbing with oil without any result get the steel wool out. Good luck with it

Thanks for your advice. Appreciate so much.
I never had experience with this gun.

 

[KWK]

You'll have experience when you get the back block off and back on. The buffer washer usually turns to stiff, waxy bubble gum.
Here is an interesting way to support the back block (trigger block). Not the way I do it but looks good. More than one way to skin a cat.
Proper orientation of the "back block cup and lock nut" is important during reassembly.