H&K UMP Gas Blowback Airsoft Rifle

Experience elite realism and uncompromising performance with the H&K UMP Gas Blowback Airsoft Rifle. This officially licensed replica brings the classic .45 SMG platform into your hands with full metal internals and polymer exterior—just like the real thing. Engineered for close-quarters combat, the UMP delivers a crisp blowback action and dependable semi/full-auto fire modes with a realistic bolt function and folding stock.

• ✅ Officially licensed Heckler & Koch trademarks
• ✅ Realistic gas blowback recoil system
• ✅ Full-auto and semi-auto fire modes with safe
• ✅ High-strength polymer construction with metal internals
• ✅ Ambidextrous fire selector and folding stock
• ✅ Velocity: ~330-350 FPS with 0.20g BBs
• ✅ Length: 450mm - 695mm (folded/extended)
• ✅ Weight: 3.58 lbs.
• ✅ Magazine Capacity: 30 Rounds (green gas)
• ✅ Adjustable hop-up for dialed-in accuracy

Field Tip: Pair with extra green gas magazines and a sling for better CQB maneuverability and reload efficiency.

Availability: In Stock Online! Ships Within 1 Business Day!
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⚠️ Federal Law Notice: This airsoft gun comes with a federally mandated blaze orange tip. It is not a real firearm and cannot be modified to function as one.