I bought mine used from Crooked Barn for $110.00. I decided to get one that was already broken in, chronied, tested and checked out by professionals. This one chronied at 950fps using JSB exact Diablos.

The rifle arrived in great condition and was in original foam packaging with the manual and a couple tins of JSB pellets. My first impression upon seeing this rifle was "Wow!". It was amazing to say the least. I opened it in front of my boss who's jaw dropped as he turned green with envy. Time to check it out real good.

Finish on the rifle was pretty good. Not excellent, but just good. It could have used a good buffing with steel wool and another coat. It looked a bit runny and bumpy in some places. I think the finish on my B7 and KL-3B were better, however the woodwork and grain on the B21 are far more superior.

The metal work looked very good with the Complex Phosphate Coating. I really like the flat finish on it. It looked very military, almost like a sniper rifle with it's long length and large hooded front sight. The trigger and trigger guard are also made of metal and the trigger wasn't a pressed piece of metal either. It was machined and looked and felt great. Who ever owned this before me, must have already adjusted the trigger because it felt great right out of the box.

The barrel on this rifle is really fat. It is enormous compared to my other air rifles. I like it. I found out later that it is a solid barrel too. Older models had a barrel sleeve. On this model, it's solid. It also didn't have any barrel droop to deal with. This is one of the factors of why this rifle weighs so much. It's right at around 10lbs. Kinda heavy to lug around all day, but it really makes aiming stable when shooting.

The front sight sits on a dove tail and can be moved back and forth on an angle for adjustments. I didn't worry about this as I was getting a scope for it anyway. You can also put different sights in the front if you want. I don't know if you can get the muzzle break off or not. It has two set screws in it. I removed them but still could not budge the muzzle break. One good point is that even with a scope on it, and with the front sight left on intact, it did not interfere with the Powerline scope I put on it. That's a plus as I didn't want a muzzle break alone with two screw holes showing.

The hardest side lever cocking rifle I had before this one was a B7, and it was pretty easy. But this rifle is a bear to cock. It takes a lot of force to cock. The cocking lever extends out to help and takes a few pounds off to make it easier, however, I really don't care to extend and retract it over and over as I shoot. You just have to brace it on your leg real good. If your hand were to slip off the lever while cocking it, it won't slam shut. There is a safety mechanism built in where you have to push down a lever on the left side of the bear trap before the cocking lever can be returned to it's firing position. The safety has 3 or 4 positions, so the most it will shut is a fraction of an inch before hitting the safety. With a spring this strong, it's a good feature to have. The rifle also automatically flips the safety trigger on when cocked. The safety is located at the end of the barrel towards the butt and has to be pushed forward to shoot. It works very well.

Power? It has it. My Gamo Shadow 1000 will shoot into a 3/4 (1X) piece of wood and go through it and half way into another 3/4 (1X) piece of wood behind it. The B21 will shoot through both and keep going. These shot comparisons were done at almost point blank range to the wood (12"). I'm afraid it's tearing up my clay pigeon target I made because it breaks the clay pigeons in a single shot and then penetrates the back of the wood. I seriously can't wait to take this baby hunting.

Accuracy? When it had open sights on it, it was very accurate at 10m. I mounted a scope on it the other day, but haven't sighted it in yet. When I do I will post the results here.

The B21 is noted as having trouble with scopes moving and damaging scopes. The model I have has the dove tail rail spot welded on so it won't come loose like the older Supermax model. Even though I haven't' sighted it in yet, I have shot it many times since putting the scope on it. I bought a single aluminum scope mount from Bad-Brads website and put it on. I pushed it back up against the scope stop screw. After shooting a few shots, I would re-snug the screws very, very tight. I don't think I'll have to worry about scope creep on this one. For a scope, I chose the Daisy Powerline 4-9X32 scope from Walmart for $28.00. I have had very good luck with it on my Gamo Shadow 1000. On "rifle only" scopes, I had problems where after a shot, they would get blurry for a while from the shock of the piston slamming forward. Since owning a Powerline, I haven't had this problem at all. Not even on the B21, and the piston hit's a lot harder than the Gamo.

Overall, I love this rifle. I hope to have it for many years to come. It looks well made and with regular maintenance and oiling, it should last a lifetime. I'll post my targets here later after it's sighted in.

UPDATE: It's sighted in. here is the target. It's actual size is 2" diameter.

After adjusting the scope to get it reasonably close, I shot Group1 of 4 shots low. I adjusted and shot Group2 of 3 shots. Another adjustment and I shot Group3 of 3 shots real close to dead-on bullseye. This was shot at 25yrds. Not bad and I believe it shoots closer groups than most all my other air rifles.

One thing I did find out was that as the spring piston rifle heats up, your shots will change. The more I shot it, the better it grouped and as I adjusted the scope to bullseye, it was getting dead-on. I then let the rifle cool down and picked it back up after shooting the Gamo Shadow 1000 for a while. After cool down, I noticed that it shot good groups, but it shot them lower and to the right a bit. So heat definitely has an impact on spring air rifles. Probably more so on magnum spring rifles as the piston is sure to get more heat than lower fps rifles. Email me your thoughts on this.

Reviewed by Robert Fischer