Product: HK Heckler & Koch HK45 .177 Caliber BB Gun Air Pistol, HK45 Air Pistol
Brand: Umarex
Color: Black
20-shot, .177 caliber BB air pistol
Powered by a 12-gram CO2 cartridge (CO2 NOT included)
Shoots .177 caliber steel BBs at up to 400 fps
Features an integrated accessory rail, full metal slide, and durable polymer frame
Officially licensed H&K markings; Fixed front and rear sights

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