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Winchester model 1200 20 gauge - serial number L507905
September 5, 2020
8:59 pm
WACA Member
Forum Posts: 1
Member Since:
September 5, 2020
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Winchester model 1200 20 gauge – serial number L507905.

Does anyone know an approximate date of manufacture for this shotgun?

Also, an owners manual or exploded view PDF, something along those lines to aid me in breakdown, cleaning, and reassembly?

This shotgun was a birthday gift 2 days ago but was in disrepair upon receipt. I have broken it down and found that the firing pin has somehow disengaged with the bolt and the spring was rolling around loose inside of the trigger housing. I would just like a reference to ensure I reassemble it correctly.

Thank you in advance!

September 5, 2020
9:05 pm
Kingston, WA
Forum Posts: 11838
Member Since:
April 15, 2005
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Late 1968 or early 1969.  Did you try a simple Google search for the documents?




WACA 6571L, Historian & Board of Director Member

September 5, 2020
10:43 pm

Thank you for the information! I appreciate it 🙂 

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