Item # ZF5U146PK Includes six MP-5 magazines Durable electro-plated black finish for exceptional corrosion resistance Compatible with ZF-5, ZF-5P, ZF-5K, MP5, SP5, HK94, MP5K, SP5K, SP89, MP5SD, and other MP-5 type roller-delayed blowback firearms All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression spring
