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Shooting & Reloading - Mausers, Big Bores and others >> Mannlicher Discussion forum & Archive

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DonZ
.300 member

Reged: 24/12/12
Posts: 120
Loc: BW

Double Set Trigger
#338500 - 28/02/20 04:09 PM

I know this is probably a silly question, but I saw something on line and thought I'd ask: Will a Double Set Trigger from a Model GK fit without too much trouble on an M1910? I have the latter, and have seen the former for sale at a good price, but thought I'd ask first...

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Honor never grows old, and honor rejoices the heart of age...

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Rothhammer1
.400 member

Reged: 06/01/17
Posts: 1826
Loc: The Redwoods of California

Re: Double Set Trigger [Re: DonZ]
#338502 - 28/02/20 07:28 PM

I've never done it, but from what I've read and been told the 'swap' from single to double trigger (or vice versa) on an MS is rather simple, though perhaps not on the 'Takedown Model' due to the TD having a different trigger plate which incorporates the TD release lever. If true, the question becomes one of whether the 'prewar' and 'postwar' assemblies interchange with one another.

Perhaps these images will be of use?

M1900, single trigger

'Prewar' MS, double trigger

Detail of 1954 Stoeger catalog. It appears that the 'postwar' MS has omitted the roller and pin from the 'trigger lever' (as identified in parts list of 1939 Stoeger) while the single trigger gained a 'regulating screw'.

Double set trigger parts, 1939 Stoeger

Detail from 1961 Stoeger (same image used in 1957).

Stoeger, 1954

Stoeger, 1961

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kuduae
.400 member

Reged: 13/01/10
Posts: 1792
Loc: middle of Germany

Re: Double Set Trigger [Re: Rothhammer1]
#338508 - 29/02/20 03:48 AM

Quote:

Will a Double Set Trigger from a Model GK fit without too much trouble on an M1910?

No! The 1910 was built on the original 1900 to 1910 receivers with the short magazine box, while the GKs have the lengthened magazine box of the later, 1924+ models. As the magazines were lengthened by placing the rear wall (part of the receiver) more rearward by about 5 mm, GK triggerplates/set trigger assemblies are shorter accordingly by about 5 mm than the 1910 ones.
Additionally, you need not just replace the set trigger assembly, but the trigger lever (37 – 37/4) and triggerguard too. If you look at the pics above, you will see the one-piece triggerguard and triggerplate of the pre-war single trigger models, while the dst versions always had the set trigger housing instead, with a separate shotgun type triggerguard hooked (prewar) or screwed (postwar) into.

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DonZ
.300 member

Reged: 24/12/12
Posts: 120
Loc: BW

Re: Double Set Trigger [Re: Rothhammer1]
#338509 - 29/02/20 03:49 AM

Thanks! The "Both units are interchangeable." sentence gives me hope, but now I'm wondering if I'll need one more part (the "black piece" above the DSTs. It may be worth the bid to see if I can make it work, though I'd be happier with a pre-war unit. I don't really "need" the DST, but there's a lot of take up in the single, and that's the thing I'd like to solve. I know the "slot" in the stock will accommodate both triggers. I'll let you all know how it works out.

--------------------
Honor never grows old, and honor rejoices the heart of age...

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kuduae
.400 member

Reged: 13/01/10
Posts: 1792
Loc: middle of Germany

Re: Double Set Trigger [Re: DonZ]
#338510 - 29/02/20 04:53 AM

Quote:

Thanks! The "Both units are interchangeable." sentence gives me hope,

This senntence applies to the post-WW2 models only. There is no interchangeability of the trigger groups between the early M1900, 1903, 1905, 1908, 1910 short magazine models and the later long magazine M1924, 1925, 1950, 1952, GK, MC, MCA models.

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Rothhammer1
.400 member

Reged: 06/01/17
Posts: 1826
Loc: The Redwoods of California

Re: Double Set Trigger [Re: kuduae]
#338517 - 29/02/20 07:16 AM

Quote:

Quote:

Will a Double Set Trigger from a Model GK fit without too much trouble on an M1910?

No! The 1910 was built on the original 1900 to 1910 receivers with the short magazine box, while the GKs have the lengthened magazine box of the later, 1924+ models. As the magazines were lengthened by placing the rear wall (part of the receiver) more rearward by about 5 mm, GK triggerplates/set trigger assemblies are shorter accordingly by about 5 mm than the 1910 ones.

Good to know, and from a trusted source!

I'll add that to my ever growing kit bag of Mannlicher Schoenauer info.

--------------------
Citizen of the Cherokee Nation

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DonZ
.300 member

Reged: 24/12/12
Posts: 120
Loc: BW

Re: Double Set Trigger [Re: Rothhammer1]
#338528 - 29/02/20 04:16 PM

Kuduae, thank you very much!

--------------------
Honor never grows old, and honor rejoices the heart of age...

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