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9mm, Integrated Suppressor

The MP5SD is the full-time suppressed variant of the MP5 submachine gun. This version uses an integral aluminum or optional wet-technology stainless steel sound suppressor. Due to its ported barrel, it does not require use of subsonic ammunition for effective sound reduction like most conventional sound suppressed submachine guns. The removable sound suppressor is integrated into the weapon’s design and conforms to the normal length and profile of a conventional, unsuppressed submachine.

The MP5SD is fully compatible with all existing MP5 accessories and trigger groups.

Features & System Characteristics:

  • Subsonic speed of the bullets is achieved via ports in the barrel reducing the gas pressure
  • Muzzle blast is reduced and flash is effectively eliminated by the suppressor
  • Highly reliable recoil-operated delayed blowback bolt system
  • Precision-made free-floating, cold hammer forged barrel delivers long barrel life (20,000+ rounds)
  • Fires from accurate closed-bolt position (upon cessation of firing, the bolt is closed)
  • Fixed, retractable, and folding buttstocks are interchangeable
  • Special attachment points for mounting optical sights or other aiming units with 100% return-to-zero
  • Interchangeable trigger groups
  • Extensive variety of HK and after market accessories


Dimensions MP5SD1 MP5SD3
Width 2.63 in. 2.63 in.
Height 10.23 in. 10.23 in.
Weight with Magazine 6.54 lb 6.54 lb
Sight Radius 13.38 in. 13.38 in.
Barrel Length 5.74 in. 5.74 in.
Overall Length 21.65 in. 26.37-31.69 in.
Other Specifications MP5SD1 MP5SD3
Cycle Rate of Fire 800 rpm 800 rpm
Magazine Capacity 15/30 15/30
Modes of Fire S,F S,F
Sights D D
Stocks RC RS