40 S&W and 45 ACP Serial Numbers
See below sig line for date of last edit.
40 S&W SN's
BB0xxx - MK40 Elite98 - Sep 2003
BB0303 - MK40 Elite98 - Date unknown
DB04XX - K40 - Feb 1996 matte stainless
DB11xx - K40 - Jun 1997
DF04xx - K40 - 1998
DF08xx - K40 - 1998
DF17xx - K40 - date unknown
DF28xx - K40 - Aug 1998
DF33xx - K40 - 1998
DF50xx - K40 - Jul 2004
DJ02xx - K40 - 1998
DJ0xxx - K40 Elite 98 - Jun 2003
DK0015 - K40 Covert (stainless) - Date unknown
DK090xx - K40 (Steel Covert 1 of 75) according to Kahr produced April 1999
DK11xx - K40 - date unknown
DK14xx - K40 Covert - Jan 2001 (disc., scarce; poster's example RIP)
DL03xx - K40 - Apr 1999
FD267x - CW40 - Jan 2009
FD34xx -MK40 - date unknown
HA0xxx - MK40 - May 1999
HA16xx - MK40 - date unknown ('99 manual)
HA25xx - MK40 - Dec 2003 (Stainless Steel)
HA26xx - MK40 - Jun 2004
HA27xx - MK40 - Jan 2005
HB01xx - MK40Elite03 - Oct 2007
SD02xx - CW45 - Jan 2008,
TA00xx - T40 - Oct 2003
TA015x - T40 - Oct 2004
WA00xx - PM40 - Jul 2004
WA02xx - PM40 - Aug 2003
WA05xx - PM40 - date unknown
WA1xxx - PM40 - Apr 2004
WA12xx - PM40 - Date unknown
WA20xx - PM40 - Apr 2004
WA21xx - PM40 - Feb 2004
WA303x - PM40 - Jun 2004
WA34xx - PM40 - Feb 2005
WA44xx - PM40 - Dec 2005 (Black Diamond)
WA64xx - PM40 - Feb 2006
WA65xx - PM40 - Mar 2006
WA72xx - PM40 - Oct 2006
WB07xx - PM40 - Sep 2007
ZA00xx - P40 - Date unknown
ZA17xx - P40 Covert - Jun 2001
ZA25xx - P40 - Jun 2003
ZA38xx - P40 - Dec 2004
ZA4720 - P40 - contact GT'er
Onslaught for provenance
ZA74xx - P40 - May 2006 (black slide)
ZA82XX - CW40 - Sep 2006
ZA89xx - P40 - Nov 2006
ZA96xx - P40 - Dec 2006
ZB28xx - CW40 - Date unknown
ZB31xx - CW40 - May 2007
ZC000x - P40 Covert - Dec 2002
ZC06xx - P40 Covert - Sep 2003
ZC08xx - P40 Covert - Jul 2003
ZC04XX - P40 Covert - Jan 2004
45 ACP SN's
SA09xx - P45 - Nov 2005
SA129x - P45 - Dec 2005
SA13xx - P45 - January 2006
SV01xx - PM45 - Purch Oct 2008
SV14xx - PM45 - Purch Jul 2009