gamo gamo viper express review

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Average Ratings
Accuracy7.3/10 Based on 13 ratings
Handling8/10 Based on 13 ratings
Value for Money8.2/10
Reviewer Rating8.1/10
Overall Rating8.9/10 Based on 34 ratings
79% Recommended11 out of 14 Reviews

Review of Gamo Gamo Viper Express

By patgreen123 Rank: Major on 6th Oct 2006

patgreen123's Ratings
Accuracy10/10
Handling10/10
Value for money9/10
Overall value10/10
yes patgreen123's recommendation

Good Points

Great at close range
Good looking
Extremely versital, the ability to shoot shots and pellets
Shot rounds pattern great
Great for rats or birds

Bad Points

Shot rounds are expensive
$229 price tag is a little steep but acceptable

General Comments

I was looking at airguns online and I came across the Gamo Viper Express air rifle. It sounded like an interesting concept so I purchased one from Pyramidair for $229 along with some shot cartridges. A week later it showed up at my front door. Upon opening the box, the gun looked quite nice. It looked just like a single shot 28 gauge break open shotgun. It shoots special .22 shot shells that are for sale for around $8 for 25 of them. The gun also shoots pellets through a special adapter.

The next day I picked up my new gun and headed over to my friend's house. He has a good deal of land and we shoot there a lot. We shoot a lot of pest birds that nest in the barn on his property. However we couldn't shoot at them in the barn with our 1000fps guns for fear of putting a hole in the wall or the roof. Instead we would have to wait for them to fly out and land on the fence or the trees. When I pulled out the Viper Express, my friend was quite interested. So when I said, "Let's go try it out", he immediately suggested we go to the barn. My friend threw small rocks up into the rafters to spook the birds out. As the rocks hit, three birds flew out. I picked out the nearest one to me and fired. I saw a small puff of feathers and the bird dropped. Several of the 20 pellets per shot hit the bird. Both of us were very impressed. Throughout that day, we managed to bag about 15 starlings and blackbirds, and 1 rat with the Viper Express alone, shooting them out of the air as they fly into and out of the barn. I went through about 30 shots that day for the Viper Express. And overall I was very impressed.

Target tests gave around a 6 inch pattern at 10 yards which is what the manufacturer claims, and penetration tests showed that the shot will penetrate 4 layers of heavy duty shipping cardboard which is all I had to shoot at the time. Shooting the gun is much like shooting .22 bird shot from a rimfire rifle, but this rifle is more affective due to the barrel being a smooth bore and the shot patterning tighter. When you shoot bird shot out of a rimfire rifle, the rifling sprays the pellets out much quicker and is much less affective. Also, the #9 shot carries more energy than the #12 shot of most .22 bird shot rimfire rounds. I have not tried pellets with the adapter and am not going to. I am quite happy with the performance of the rifle. I would definitely recommend it to a friend for shooting rats and small birds on the ground and in the air at 10-15 yards, sometimes a tad further.

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15 Comments on Review by patgreen123 for Gamo Gamo Viper Express

  1. Humble Rank: Sergeant on 21st Dec 2006

    I found the review to be pretty useful. I've been thinking about this airshotgun a little bit and it seems to do pretty good for what it is. I've heard many folks complain about the range not being long enough and things of the such but it seems not only an interesting pest gun (to avoid over penetration) but also a nice little show piece showing everyone what adult airguns are all about. Very helpful, thanks for the review

  2. patgreen123 Rank: Major on 11th Jan 2007

    Your welcome. I am so happy with this rifle, the $229 was well worth it. I have also herd people complain about the range. You can't expect 12 gauge performance from an air shotgun. From point blank to 15 yards the shot shells are fine. Any further and you can use pellets. I just killed a turkey at 20 yards the other day with one shot to the head with a JSB Predator .22 pellet. It did the usual flopping around for 15 seconds but killed it it did. It is by far the most versital airgun ever.

  3. thunderace on 4th Feb 2007

    Gun is nice and well made, would like to see more shot in ammo. I think ammo is over priced at 8.00 dollars a box for 25 which is 16.00 dollars for fifty. We are only shooting bird shot with air, not rifle cartridges. I like the 22 pellet option built into gun, but I think they should have put some rifleling in barrel to keep pellet from tumbling for accuracy in a gun that is advertised at shooting a 22 pellet at 700 fps. Overall I like it and am sure I will have lots of fun with it.

  4. BomBom101 Rank: Colonel on 9th Feb 2007

    Hmm well the review on youtube i thought summed it up...

    36 inch group at 15 yards or something like that...

  5. patgreen123 Rank: Major on 10th Feb 2007

    Actually, I get about an 18 inch group at 15 yards with the shotshells. The pellets group about 1.5 inches at 15 yards. Quite fine for a smooth bore. It shoots around 650fp with pellets and around 600 with the shotshells.

  6. patgreen123 Rank: Major on 22nd Feb 2007

    Correction about the group with the shotshells. I think i got a bad batch. When i took one apart the shot was not uniform and was all messed up. Got some more from another lot and now I get a 13 inch group at 15 yards. Pellets group about 1 to 1.5 at 15 yards. Fine for backyard hunting and will kill any small rodent you shoot.

  7. 045madmatt Rank: Major-General on 14th Apr 2007

    I would like to know how accurate the Gamo Viper Express is with pellets at 30 yards please.

  8. ssmithfam Rank: Corporal on 9th Jun 2007

    You can reuse the Gamo shotshell cases to reload your own shotshell loads. As mentioned in the first review by varmintkiller, just use a piece of foam for the base of the cartridge, then use #9, or #8 shot for better penetration, and a bit of cotton, etc. to top it off. I've done the same thing with my Crosman 1100 CO2 shotgun that uses a similar shot case, but is 3/8" diameter (.375"). The disadvantage of CO2 is that it can't be used if the air temperature drops much below 70 degrees F.

    I just purchased one of the Gamo vipers and am looking forward to using it. Thanks for your review.

    Smitty

  9. ssmithfam Rank: Corporal on 9th Jun 2007

    One possibility that MAY add more accuracy for pellets is to find a way to put rifling into the brass pellet adapter. You wouldn't want much twist, due to the light weight of the pellet... I would think a quarter turn the length of the adapter. This MIGHT stabilize the pellet as it goes the rest of the way down the barrel and downrange... worth a try.

    As mentioned in Pat 123's review, rifling has a detrimental effect on shot pellets. It tends to open up the group much quicker, which reduces the energy downrange, plus patterns tend to be inconsistent, as the pellet group, in effect, is spiraling through the air like a piece of rope wrapped in a long helix around a pole. I would think the shot pattern on impact would be lopsided.

    Smitty

  10. pwebs Rank: Corporal on 28th Aug 2007

    Very nice gun- works well in the field
    Previous writer says he reloads the shot shells with a low density foam for the base push plug. I wish he would go into more detail as to what low density foam is -and where he gets it- how he cuts and sizes this plug. This would be very useful information. I will keep checking this site to see if he replies. If any one else has done this please reply at this site.

  11. ssmithfam Rank: Corporal on 9th Sep 2007

    I use a standard 1/4" paper punch to punch out the thin foam like those found in hobby stores for crafts and scrap booking. Here in the US you can find it at Wal Mart in large plastic tubs shaped in circles, stars, triangles, etc. It's about 1/16" thick. I push the lower "wad" into the shell with a small dowel. Make sure it goes in straight so the shot won't leak out. Put in the shot, then put another foam "wad" over the top. They will stay fairly well as is, but, a drop of candle wax will help hold it in place if need be.

    I found that #8 shot has better penetration, although you only get about 13 versus 19 #9 shot for the same weight. It still gives a decent shot pattern and effect.

    Smitty

  12. pwebs Rank: Corporal on 10th Sep 2007

    The information that smitty has given will be very useful to all viper express shooters and everyone will be able to save a lot of money from buying shells. I am still a little vague on the foam - when you say plastic tubs shaped in circles- stars- triangles at walmart - what dept do i find them in and what am i looking for- kitchen items- decorations- and is the foam like what is used for shipping electronics or packing peanuts or is this 1/16 plastic like in dish water tubs? Anyway thank you so much for your previous information.

  13. ssmithfam Rank: Corporal on 14th Sep 2007

    Go to the Crafts area at WalMart or any department store. The tubs are round plastic. The foam is in shapes and different colors. The foam is also available in sheets. It's not hard plastic like a wash tub, but soft and easy to cut, etc. It's used for decorations, greeting cards and scrap booking.

    HTH,

    Smitty

  14. patgreen123 Rank: Major on 20th Oct 2007

    My gun is now fully broken in and velocity has improved some. It now shoots at about 700 fps with pellets and 650 with the shot. I found that the chrony was not that accurate with the shotshells. Because the chrony uses light to pick up the projectile, it needs to read the shot as one object. Unfortunately, the shot is already started to scatter at a few feet. It's only like an inch or less but I guess it's enough to confuse the chrony with this small amount of shot at these low velocities. Therefor it shows slightly less than what it's really shooting. So far the gun has performed great. I use it for shooting birds in the barn where a traditional pellet gun would cause damage. I added a 1-4x scope, a one piece scope mount, and a scope stop. It gives fairly good accuracy out to 30 yards. At thirty yards, it's about a 2 inch group. Fine for some midnight rabbit and coon hunting on the farm. Took out a raccoon in my trash can with a Crosman pointed pellet so the power with pellets is definitely there. The Crosman pointed pellets are better for penetration and shock while the predators which I use when I can't afford overpenetration, are better for maximum stopping power. I'm using it with pellets more now because my shadow 1000 mainspring broke.

  15. bruceypoo Rank: Sergeant on 6th Sep 2008

    I found this review helpful, there is good information on this page through all the comments and whatnot and I got the shadow express which is the same thing without the rubber grips and its roughly 100$ cheaper.



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