An extended 10-rd magazine for the 383A/Series 95/Thunder 380/Firestorm 380 pistols in .380acp. Constructed from heat-treated blued-steel, with a follower, lock-plate, and base-plate molded from a proprietary DuPontA(R) Zytel(TM) based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability.NOTICE: This magazine is not suitable for the Bersa 383, or 383DA.