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BSA Mag adjustment


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hello, i found it takes a few pellets to get the mag working proper, i also used some pellet spray in mag, LT 1, have used this many years on 4 PCPs with magazines, my pellet tin has a bit of foam with LT 1, also the breech seals, for the price of Napier can get 100ml LT1, 

Edited by oldypigeonpopper
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Is that the first pellet to be loaded .? Or the last .

As the first hole often has a slight lead in .

The only solution ive heard of is to dab some glue or resin on the small pellet stop .then file and shape in concaved to build up the stop a bit more  so the pellet  now sits true with the outer hole 

The pellet type can make a big difference .if its too short .or got a very narrow head size the inner drum over rotates a bit .

Check the pellet stop inside the mag has it been bent slightly ? .

This happens if you wind the mag up to hole 10 and then let it go without any pellets in .or just the last one .

Has that happened. ? 

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I have 2 mags: one old and one brand new. The both have the same issue: they appear fine until you load pellets (AA DFs). Never had this problem before with the old Ultra. 

Flush when empty but after 2nd pellet loaded they are off centre.

 

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96FD2B99-616F-47AE-BCBD-2BCA12F15C14.jpeg

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So it turns out all BSA / Gamo mags are like this; even my 0.177 mag for the trusty Scorp. I finally worked out that the mag holding plate on the side must have moved or been fettled with in the past (previous owner was a fettler). Sure enough, after a few tweaks of the side plate I could cycle the bolt properly again. Fixed!

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2 hours ago, DC177 said:

So it turns out all BSA / Gamo mags are like this; even my 0.177 mag for the trusty Scorp. I finally worked out that the mag holding plate on the side must have moved or been fettled with in the past (previous owner was a fettler). Sure enough, after a few tweaks of the side plate I could cycle the bolt properly again. Fixed!

Great result, looking at the picture it doesn't seem like there would be any movement, winner winner.

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If anyone has this problem the thing to do is:

  • loosen the magazine holding side plate
  • put the magazine in
  • push the bolt in
  • push the mag holding pin in
  • then test the bolt action
  • if everything is working smoothly then slowly tighten up the side plate again.
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  • 1 year later...
On 26/05/2018 at 14:49, Guest said:

If anyone has this problem the thing to do is:

  • loosen the magazine holding side plate
  • put the magazine in
  • push the bolt in
  • push the mag holding pin in
  • then test the bolt action
  • if everything is working smoothly then slowly tighten up the side plate again.

hello, this also works if you fit a magazine to an Air Arms S 200 

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