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50 Years Old and Still Pack A Punch - Winchester Model 427 - AKA Diana Model 27

My 50 has no safety.

I didn't explain that part very well.

The safety on the 27S and 35S is a spring-loaded sliding bar under the receiver tube, that automatically blocks the trigger when the action is open (much like the old Walther LG 55 and LGV match rifles). There is no manually-operated button or lever on the exterior of the gun.

The model 50 with the "squared up" stock appeared both with and without this auto safety. I don't recall dates and details, but I believe 50's with it are compartively rare.
 
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Where is there a good source for parts for the Diana 23/25/27 series?
For US sources of parts I use JG Airguns https://www.jgairguns.biz/diana-c-78_247/; Air Rifle Headquarters https://www.airrifleheadquarters.com/page/page/251327.htm and Vortek Products https://vortekproducts.com/

I know there may be suppliers across the pond but I have not used them yet as I am very cautious about my debit/credit card information as the only time my account was ever impacted was due to an out of country purchase.
 
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The Diana 27s are real classics, I have a .22 71' Hyscore version and an early 80s .177 Diana version. Such slim lightweight rifles I never tire of shooting them.

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I know very little about Diana air guns but they seem to have a history of making quality ones.
I further didn't know the Winchester Diana relationship.
From WW2 until fairly recent times, Diana guns had different labels for import/export legalities, as spec'd by big dealers, etc. The same guns were stamped as: Beeman, Beeman's Original, Condor, Diana, Donor, Gecado, Geco, Hy-Score, Original, Peerless, RWS, Winchester...and probably others I forgot or haven't seen yet, LOL.

Most use the same model names. But Beeman, Hy-Score, and Winchester added to the confusion by inventing their own (e.g, Diana 27 = Beeman 100, Hy-Score 807, and WInchester 427).
 
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Have you by chance chronographed this one?
Many moons ago, I ran twenty, 15-shot chrono strings with a well broken-in, 1981-vintage .177 cal RWS 27. Velocity ranged from 615 FPS (8.4 gr RWS Meisterkugeln) to 692 FPS (7.0 gr RWS Hobby). Every pellet ran between 7.0 and 7.5 FPE.

Perhaps more impressive was its consistency. One string had a velocity deviation of only 10 FPS and half a dozen others were close to that. Not too shabby for a basic little leather-sealed sporter.
 
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