UPDATED
Slide peening serial numbers -- 1,000 from J0000 (calc # week's production) -- estimated (CWAG) or actual manufactured date
HZUXX -- xx --*7/20/06
JODXX --1.4-- 8/7/2006 CWAG *7/27/06
JONXX --2.2-- 8/14/2006 CWAG
J26XX --7.4-- 9/11/2006 CWAG
J2AXX --7.8--9/15/2006 CWAG* 09/06
J3QXX --12.6--*10/20/2006
J4RXX -- 16.1--11/20/2006 CWAG
J5DXX --18.3--12/4/2006 CWAG
J5KXX --18.9--12/7/2006 CWAG
J5HXX *12/05/06
J65XX --20.9--*12/13/2006
J6HXX --22.0--12/18/2006 CWAG
J7CXX --25.0--*1/12/07
J87XX *02/2507
J8DXX
J8UXX --30.0--*02/26/07
J9XXX -- 30.6 -- 03/01/07 CWAG
JAFXX -- 35.4 -- 04/05/07 CWAG
* Kel-tec verified manufacture date.