HKPRO Forums banner
1 - 2 of 2 Posts

· Registered
5,615 Posts
Details courtesy TooSixy

• 1993 (KD): Original USP .40 and 9mm. USP40 came out first• 1994 (KE): Reduced the slide weight by 1.1 oz• 1994-95 (KE-KF): Changed to a polygonal rifled barrel (Prior barrelswere standard land and groove)• 1994-95 (KE-KF): Changed trigger transfer bar• 1994-95 (KE-KF): Changed recoil guide rod to a "captured spring version"• 1995 (KF): Changed trigger mechanism• 1995-96 (KF-KG): Added rubber spur to hammer• 1995-96 (KF-KG): Changed angle on slide lock• 2000 (AA): Added locking feature to hammer strut support (lanyard safety)• 2001 (AB): Converted captive recoil spring retainer from c-clip tomachined end on USP Compacts (not USPf)• 2005 (AF): Redesigned firing pin, firing pin block, and firing pinblock spring
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.