Colt 1908 Vest Pocket .25 ACP magazines have
6
viewing holes |
Type |
Top |
Finish |
Base |
Year (approx.) |
I |
Rounded |
full blue |
unmarked pinned base |
1908-1912
sn 1 forward |
II |
Rounded |
two-tone |
unmarked pinned base |
1912-1915
sn 105000 forward |
III |
Rounded |
two-tone |
marked pinned base |
1915-1920
sn 121000 forward |
IV |
Rounded |
two-tone |
marked crimped base |
1920-1922
sn 230000 forward |
V |
Straight
(Top made straight to function with the magazine
safety disconnector) |
two-tone |
marked crimped base |
1922-1939
sn 306000 forward |
VI |
Straight |
full blue |
marked crimped base |
1939 to end
sn 407000 to 409XXX,
1946 - 1948
sn 420001 to end of post-war production at 420705 |
By rounded and straight top, when viewing
the side profile of the magazine, these shapes are apparent.
The straight top with notch was used to better engage the
magazine safety disconnector (Tansley Device) that was
introduced at approx. sn 141000. |