H&K HK45 GBB Pistol Airsoft Gun By KWA (Black)
[10726 / 2275007]
$154.99 $139.49
by M. TORTOLANI verified buyer Date Added: Tuesday 24 September, 2013
Product Information:
To begin I think it is important to take a few steps back and discuss some physics of gas and its reactions to temperature. (in simple terms :) ) Under cooler temperature gas will have a lower energy threshold, meaning a decrease in your FPS. When a gas is heater to room temperature (or greater) it has a high energy threshold, resulting in an increase in FPS. As a result:

When filling the magazine, store it in a cool place prior to filling. I usually place it in either the freezer or fridge. by doing this, you are bringing the temperature in the mag down, allowing more gas to be placed inside the chamber (allowing for fewer refills at the field). As mentioned above, this now means that your gun will have a lower FPS. However, what you should do after filling the mag is to store it in a room temperature area, i usually put them on the dashboard and let the sunlight warm them as im driving to a game. This will expand the gas and allow it to function at its max performance (accuracy) and FPS level with fewer drops in FPS. However, firing the gun with result in a cooling of the mag as gas is expelled, this is actually a plus, once you are out of ammo simply refill the mag when you have the chance with gas and the same effect is achieved as if you placed it in the fridge!

Ok now on to the actual review of the gun :)
Although the title states that this handgun is full metal its not 100% correct. The slide and the internal components are full metal, with some metal areas (trigger/slide and mag release). the lower receiver (including the grip) are polymer. so in a sense half metal half plastic. However, dont fret! this gun is a very sturdy build!

The magazine comprises most of the weight being all metal with polymer plastic at the base. The mag also has the locking spring guide similar to KWA 1911, which makes loading bbs very easy!
Once you load the magazine into the gun the weight easily increase to the real steel's weight! feeling very solid.

The biggest thing i love about this gun is the feel of the pistol grip in your hands. Almost seems to be an extension of your arm, I kept the standard back piece as i found switching them is very challenging and can lead to accidently breaking the grip guides.

as far as performance goes... couldnt be more impressed!! The accuracy is above and beyond anything i could have hoped, simply point and shoot and your bbs will definitely go in that direction (i have only used .20 g so far and have had great results)

The gun definitely has a kick and sound that will make heads turn, very strong kick which almost in a sense simulates the real steel's kick (I have trained and used the real steel HK45, also similar trade marks found on the gun and magazines)

It also field strips just like the real steel. I would suggest taking it apart and cleaning/re-oiling it (tutorials can be found on youtube) prior to field play.

Lastly, the threaded orange bit is removable. It is glued in place by some strong super glue. I was in the process of removing mine and the i was only able to get most of it off, the rest is still in there but by taking it apart you can sand it down as the outer barrel is plastic and can be worked on without compromising the inner barrel.

sturdy and reliable
amazing pistol grip, very comfortable
HK markings
strong kick


not completely full metal (brother has a full metal KWA 1911 and that thing is truly full metal, upper and lower)
orange tip difficult to remove (but and easy fix if you botch it)

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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H&K HK45 GBB Pistol Airsoft Gun By KWA (Black)
[10726 / 2275007]

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