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Re: Maybe This? Addendum

August 14 2005 at 1:18 AM
Susan Cross 


Response to Re: Maybe This?

 

I called an older gentleman I know, Gordon Douglas, who is quite knowledgeable about US ordnance, and he says it is probably the M4 P-39 gun extemporized by the USN for use on PT boats as a "barge buster". Apparently there were hundreds of these guns available c.1943, which were given a mounting that would bolt on to the foundation of a 20mm Oerlikon. M/v would be around 2200 fps with a relatively short cartridge. Gordon told me he didn't have a picture handy to send me, but thought there was one in John D. Bulkely's book "At Close Quarters", recently reissued by USNI.

 
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