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Jan 12, 2026 - 09:42 AM
The caliber is 6 mm. This is the standard size for airsoft BBs, making the Umarex H&K USP compatible with most airsoft ammunition on the market and ensuring easy ammo sourcing.
What caliber does this airsoft pistol use? Umarex Elite Force H&K USP (Black)
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Open Jan 12, 2026 - 09:42 AM
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Umarex Elite Force H&K USP (Black)
Umarex Elite Force H&K USP | Black Specification Overall Length = 21.5 cm [8.47"] Overall Height = 14.3 cm [5.63"] Inner Barrel Length = 100 mm Inner Barrel Diameter = 6.05 mm Weight = 0.88 kg [1.94 lbs] Caliber = 6 mm Magazine Capacity = 24 rounds Velocity = 104-107 MPS [340-350 FPS] ...
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