Mark 4 barrels

I was wondering if the Mark 4 barrels can be interchanged with either barrels from a Mark 1 or a Mark 5?
Thankyou
Jim

ORIGINAL GRIZZLY WIN MAG COLOR BROCHURE!

I happened to purchase a Grizzly Mark I awhile back from an estate sale and was lucky enough to find all of the first year marketing materials tucked away in the bottom of the original box. These are scanned images of the front and back of the "original" Grizzly sales brochure. Note the pre-production serial number. I thought it was really a neat find! Hope you enjoy seeing it.

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Cam

Grizzly Win Mag Pistol Barrel Porting

The following is a letter included with a Grizzly .45 Win Mag Pistol with a 6.5 inch Barrel I own . I'II enter it exactly as its written -----------------------NOTICE --------------------------Dear Customer , Please note that the Barrel on your Grizzly Win Mag Pistol has not been ported. After substantial testing , we have found that the ports hampered accuracy and velocity. Also , the test revealed that the recoil with or without the ports were not that noticeable. Accuracy and Velocity far out weigh the recoil advanatge prompting us to eliminate the ports. Thank You, L.A.R. Manufacturing Inc.