You may be surprised to know that the Airgun that started off my collection was purchased only about 4 years ago. As a kid I had a few Airguns growing up and then suddenly in my late 30's I just picked it up again. Anyways the Airgun this post is focusing on is the Umarex Walther CP99 Compact. This post is not intended to be a review but in summary the CP99 Compact BB Blowback BB gun has one of the nicest trigger pulls in my collection. It is so much fun to shoot, it's very well made and is reasonably priced.

The one feature,or lack of a feature that I never really like about the Umarex CP99 Compact was the molded ejection port. In other words the ejection port is not cut out of the slide on this gun but instead is molded into the slide to look like an ejection port.

That said I have noticed a few of these Umarex CP99 Compacts sporting a cut out ejection port and so I thought to myself that maybe people have been cutting the ejection port out themselves? Hey I thought about giving it a try several times myself. So I took a walk over to the Umarex US website and low and behold if you click on the 360 view, you will see that it too has a cut out ejection port. The photos on their site do not show this new feature but rather the older molded version. I can not confirm that all new CP99 Compacts will in fact have the cut out ejection port, but it does look like Umarex has moved to this updated version…

So I thought enough is enough! It's time to pull out my tools and cut into my beloved CP99 BB gun. The best way to show you what transpired next is with a series of photos. At the end of about 2 hours of work I have to say I am very happy with the end result!

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Related Posts:

• CYBERGUN GSG 92 ON ITS WAY!

• CYBERGUN GSG 92 BB GUN REVIEW

• CYBERGUN GSG 92 BB GUN FIELD TEST

This video is not really a review but rather an instructional video on how to modify a Cybergun GSG 92 Blowback BB Airgun to shoot not only in single shot (Semi Auto), but to also have the ability to shoot in Full Auto mode with the flick of the safety to the down position. (Warning - This Mod will most certainly void your warranty!)

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This Modifications of the Cybergun GSG 92 is a rather simple operation, all that is needed is to remove the slide and take off the right side grip, then remove a small internal piece and file it down slightly on one end. Put everything back together and away you go. Shoot in Semi Auto or Full Auto whenever you like!

I'll be doing a Review and Field Test on it shortly...

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Type: BB air rifle.

Manufacturer: Umarex.

Model:H&K MP5K PDW

Materials: Ppolymer shell, metal inner frame, metal trigger, metal cocking handle, metal but-plate.

Weight: 2.4 pounds.

Barrel: 9.75 inches, metal, non-rifled.

Propulsion: CO2 x1.

Action: Semi auto blowback.

Ammunition Type: Steel BBs 4.5mm.

Ammunition Capacity: 40 rounds

FPS: 400

Trigger Pull: Long and hard (trigger actuates the barrel forward allowing a BB to load and then snapping back to activate the CO2 release).

Accuracy: Medium to good.

Build Quality: Lots of plastic but it does not feel cheap, the internal mechanical parts and frame appear to be made of out of metals.

Realism: Even though there is a lot of plastic this is a 1 to 1 scale replica with full H&K licensing. It is a very accurate replica of the original.

Available From: The Replica Airguns Store

Pros:

• Being able to own an H&K MP5 for just over $100.

• High capacity 40 round magazine.

• Blowback action gives some feedback.

• Very nice folding stock.

Cons:

• Does not come with picatinny rail adapter for Red Dot or scope accessory.

• Blowback does not operate action.

• Mainly plastic.

• CO2 hard to get to.

Comments:

The Umarex H&K MP5K PDW 4.5mm BB Replica is a very realistic BB Repeater. It's fun to shoot and seems to have an endless magazine. The Blowback does give it s little bit of recoil when you have a fresh CO2, just don't expect too much.

The outer shell of the gun is mainly made out of plastic but for about $125 you really can't expect an all metal version.

If you're looking for a true Tactical styled BB gun, this would make an excellent choice.

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Type: BB machine gun
Manufacturer: Umarex.
Model: Steel Storm.
Materials: Polymer shell, metal inner frame, metal trigger, mainly metal CO2 magazine.
Weight: 2.8 pounds.
Barrel: 7.5 inches, metal, non-rifled.
Propulsion: CO2 x2.
Action: Semi auto, fully auto - 6 round burst, blowback.
Ammunition Type: Steel BBs 4.5mm.
Ammunition Capacity: 300 in internal hopper, 30 in spring fed magazine (hopper gravity feeds magazine when spring retracted).
FPS: 430.
Trigger Pull: Very light.
Accuracy: Excellent in both single shot and 6 round burst mode!
Build Quality: This airgun is made in Japan and even though the external shell is made out of polymer, it still has a very solid feel.
Realism: This gun is not a direct replica but it does share similarities to the HK MP7A1 (4.6x30mm).
Purchased this gun from: The Replica Airguns Store

Pros:

• Excellent value for the money.
• Very accurate in both single and 6 round burst modes.
• Super fun to shoot.
• High rate of fire in full auto mode.
• Picatinny rails on the top and bottom for accessories.
• High FPS for a blowback gun.

Cons:

• Mainly polymer shell.
• Uses lots of CO2 (to be expected)
• No but-stock or way to add a but-stock.
• No adjustable sites. (a Red Dot scope is perfect for this airgun)
  

Comments:
The gun is plastic based but seems to be well built and has some weight to it. The design and functionality is well thought out and for the price of under $100 you can't rally ask for much more.

The rate of fire is fairly fast and there is only a small amount of blowback feel probably due to the weight of the gun. The Steel Storm is surprisingly loud, so shooting in a residential neighborhood may not be the best place to empty the two CO2 cartridges! I was able to get around 200 rounds from the dual CO2 cartridges, most of which were shot in full auto 6 round burst mode.

It would have been nice to have the BBs in the pull out magazine but the gravity fed hopper makes more sense feeding into the internal lower 30 round spring fed magazine.

The Umarex Steel Storm Full Auto CO2 BB Gun is very fun to shoot and is well worth the small amount of cost. So go get one!

My YouTube Videos for this Airgun:

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Related Posts:

• TWO NEW AIRGUNS - UMAREX PPK/S AND UMAREX BERETTA ELITE II
• UMAREX WALTHER PPK/S BLOWBACK CO2 BB PISTOL REVIEW

This is a video I posted on YouTube a while back that has gotten a lot of views (Now Over 300,000). It's basically me and a friend shooting a couple of guns. The first set of guns (One in each hand - Tomb Raider Style) are two Walther CP99 Compacts made by Umarex. The CP99 Compact is a great little BB gun with a very fast and light trigger pull.

Next up is another Umarex product, a Walther PPK. This one is moded to fire Full Auto, making it one of the smallest Full Auto BB Guns. Too bad it's all over so fast! I'll look at doing some proper reviews of these fine Airguns down the road...

Buy this gun in Canada   -   Buy this gun in the US

Buy this gun in Canada   -   Buy this gun in the US