Umarex H&K USP (BlowBack) 4.5mm BB


Umarex H&K USP (BlowBack) 4.5mm BB

1 in stock

Umarex Steel BBs

38 in stock

12g CO2 Canister Single

4998 in stock


Delivery restrictions apply:

Under UK law, Airguns, Firearms and Silencers can only be delivered to a Registered Firearms Dealer or collected from the shop in person along with proof of age identification or relevant licence if applicable. Please call 01273 326338 for further information.

RFD Transfers:

If not collecting from our Brighton Store, you can have restricted items posted to your nearest Registered Firearms Dealer (RFD).  When checking out, please enter your delivery address as your chosen RFD.  Please also make your RFD aware of the transfer – They may charge you a small fee to accept the goods.

Authentic replicas of Heckler & Koch’s universal semiautomatic pistol have long been popular among collectors and recreational shooters thanks to their rugged design and reliability.

This version, for 4.5 mm BBs, delivers even more realistic performance with its heavy metal slide and integrated blowback function.


  • Energy level (E₀) < 3.0 J
  • Velocity (V₀) 100 m/s (328 fps)
  • Caliber 4.5 mm BB
  • Power Source 1x 12 g CO₂
  • Magazine capacity 22 rounds
  • Shot capacity 100 rounds
  • Trigger Single / Double Action
  • Length 192 mm
  • Weight 976 g




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