• The Umarex HK45 Air Pistol is the authentic, licensed replica of the Heckler & Koch HK45 firearm
  • The Umarex HK45 Air Pistol is a semi-automatic that has a metal slide and a smooth bore barrel with fixed front and rear sights, plus, an integral Weaver accessory rail under the barrel

Umarex HK45 Heckler & Koch Air Pistol - Semi-Automatic, CO2 Powered, .177 Caliber BBs, 20-Round Magazine - Length 8”

$64.99

Fast and Accurate Order Processing

We offer standard, 3 day express, 2 day express, and overnight express shipping options for your convenience. If you place your order Monday - Friday by 2:00 PM EST using one of our express shipping options, your order will be processed and shipped the same day it is placed!

Applies to delivery within the 48 contiguous states only.
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Expected Arrival: 10/20/2020

Email me when in stock!

Out of Stock Notification


21 UM3045 is backordered and is expected by: 10/20/2020


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  • This is an authentic, licensed replica of the HK45 firearm and it’s all-day, fun-shooting action at bullseye targets, tin cans and more
  • The semi-automatic air pistol has a metal slide and a 4 4/5” smooth bore barrel with fixed front and rear sights
  • It has a double-action only trigger, a manual safety and features an integral Weaver accessory rail under the barrel
  • Uses a 12-gram CO2 cartridge to shoot steel .177 caliber BBs at up to 400 fps from a 20-round, drop-free BB magazine
  • Must be 21 years of age. Signature required upon delivery

This Item Cannot Ship to the Following States: PA, NJ, CA, MA, NY


The Heckler & Koch HK45 firearm was created to re-arm the entire United States military with a .45-caliber handgun instead of the 9mm but the cost of doing that is what led to the cancellation of the program. However, Heckler & Koch knew they had a winner and opted to make it available commercially. The Umarex HK45 Air Pistol is the authentic, licensed replica of this popular firearm and it’s all-day, fun-shooting action at bullseye targets, tin cans and more. While it doesn’t have any recoil, that’s actually a plus. A recoiling CO2 gun gets fewer shots per CO2 cartridge, so you’ll be saving money with every shot! The semi-automatic air pistol has a metal slide and a 4 4/5” smooth bore barrel with fixed front and rear sights, plus, an integral Weaver accessory rail under the barrel. The HK45 Air Pistol shoots BBs at 400 fps and includes a 20-round, drop-free magazine. Because it’s not a very heavy pistol, shooters of all sizes and genders should be able to handle this shootin’ machine.

21 UM3045


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Umarex HK45 Heckler & Koch Air Pistol - Semi-Automatic, CO2 Powered, .177 Caliber BBs, 20-Round Magazine - Length 8”
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