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Sarco M1 parts kit use in SA AO?


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#1 mp40shooter

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Posted 11 February 2019 - 12:13 AM

I am a newcomer to Thompson guns, but a longtime admirer, and have decided to get an Auto Ordnance semi-auto. I have on hand a Sarco M1 Thompson parts kit, which may factor into which version of the Thompson I acquire, depending on the response to this question: to what degree can parts from the M1parts kit be interchanged with the contemporary semi-auto Auto Ordnance guns and how useful are the potential swaps?
Also, is there a thread in the discussion boards that summarizes the modifications that can be done to the semi-auto AO guns?
Thanks.
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#2 95mustang

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Posted 11 February 2019 - 06:00 AM

A FA PARTS KIT has very few pcs that will drop into a semi auto thompson from AOC (Kahr)
The safety lever
A barrel
The pistol grip wood
And the m1 buttstock
The front and rear sight.
And the mag catch lever

That's pretty much it
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#3 TSMGguy

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Posted 11 February 2019 - 08:41 AM

Right. The ATF demanded changes to the SA version to prevent just such swaps. Receiver bolt pocket and bolt dimensions are not compatible for starters.


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#4 shadycon

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Posted 11 February 2019 - 09:23 AM

Read the earlier posts about these guns.


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#5 mp40shooter

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Posted 11 February 2019 - 10:26 AM

Thank you, gentlemen.


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#6 MrBill

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Posted 11 February 2019 - 04:59 PM

You can build your M1 parts kit into a ATF approved SBR with a Philly Ordinance 80% receiver. IMO much better than Kahr Thompson. Weapons Guild has the build and it may be within your skill level.


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