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Jim Gillilan's Custom 1322 Carbine

Jim Gillilan's Custom 1322 Carbine w/Custom Stock

Here's one I'm especially proud of and is modded all over, doing 12fpe at 15 pumps.
Stock is Teak from Thailand and super light weight 1322 Carbine!

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In the graph...

April 28 2017 at 11:41 AM
Phil  (Login Duane35)
Crosman Forum Member
from IP address

Response to For example, with 392-ish parameters of A + B = 8.5", stroke volume =3.5c.i...

Is it determining that the bore I.D. will need to increase to 1.2" in order to accommodate the same sweep volume as the .6" bore and 8.5" stroke of the Benji? Seems very accurate.

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