Breech block screws

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Paulmurd
Posts: 155
Joined: Tue May 03, 2016 6:37 am

Breech block screws

Fri Jul 15, 2016 3:41 pm

Im wanting to put a single shot breech block on my 410 but as i was about start the job i noticed the small bolts on the 410 breech block aren't regular allen key ones compared to other air arms rifles ive had. Any help what these bolt type heads are called or where i can get the tools would be appreciated. Ta

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Mark112
Posts: 210
Joined: Mon Feb 16, 2015 5:25 pm

Re: Breech block screws

Fri Jul 15, 2016 6:17 pm

Hi,

Mine have all been Allen headed ones even the ones under the anti tamper plugs (different size IIRC). Some sort of photo may help your cause.

Mark
S410C .177 Regged - MTC Viper 4-16 x 50
S410K .177 Regged - Hawke Nite-Eye 4-16 x 50 AO IR
S410K .22 - Hawke Sport HD 3-9 x 50 AO IR
Logun Mk1 .22 - AGS 3-9 x 40
Theoben Taunus .22 - Simmons 4-12 x 40 AO
BW1911R2
Walther CP99
Webley Premier .22

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Roger5
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Joined: Sat Jul 25, 2015 8:04 am
Location: Hampton middlesex

Re: Breech block screws

Sat Jul 16, 2016 8:38 am

Paulmurd wrote:Im wanting to put a single shot breech block on my 410 but as i was about start the job i noticed the small bolts on the 410 breech block aren't regular allen key ones compared to other air arms rifles ive had. Any help what these bolt type heads are called or where i can get the tools would be appreciated. Ta

Does. It look like 2 of them have the heads missing,if so they are anti tamper bolts, and they bolt up from other side ie cylinder side. Rog

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Paulmurd
Posts: 155
Joined: Tue May 03, 2016 6:37 am

Re: Breech block screws

Sat Jul 16, 2016 3:31 pm

Yeah i wondered what the deal was with the headless ones. Is it basically a case of the newer guns are harder to work on?

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Roger5
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Location: Hampton middlesex

Re: Breech block screws

Sat Jul 16, 2016 7:20 pm

None of them are hard to work on , once all the anti tamper is out, they are pretty much all the same. Rog

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Paulmurd
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Joined: Tue May 03, 2016 6:37 am

Re: Breech block screws

Sun Jul 17, 2016 12:56 pm

How do i get the anti tamper bolts out to remove the breech block ? Thanks

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Roger5
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Location: Hampton middlesex

Re: Breech block screws

Sun Jul 17, 2016 2:28 pm

Stick your location in, there might be a club member who will show you. Rog

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Paulmurd
Posts: 155
Joined: Tue May 03, 2016 6:37 am

Re: Breech block screws

Sun Jul 17, 2016 6:55 pm

Is it just a a case of taking the stock off & undoing them from underneath? Also what kind of head are they please bud? Thanks

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Roger5
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Location: Hampton middlesex

Re: Breech block screws

Sun Jul 17, 2016 9:24 pm

They are normal Allan bolts, take the stock off and you will see metal plugs blocking off your access to them, these have to be drilled out, I think the drill size is 3mm, they are not that thick and you only want to drill into them enough to get an Allan key through to undo them, undoing them should push the plugs out take your time. Rog

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Paulmurd
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Joined: Tue May 03, 2016 6:37 am

Re: Breech block screws

Sun Jul 17, 2016 9:50 pm

Thats a great help mate & thanks again.

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