Your going to get a slightly Bias answer as you are in the AKA forum . At one point most of us in this forum were in the same boat. It still comes down to personal preference. I personaly bought an Excal. because there is less chance of ball breakage, more efficient on air and closed bolt operation. Read the Excal. FAQ's stickied to the top of this forum. IT is some of the best info you can get.
Well if you want something that you can slap a bunch of happy little parts on and call it your own get an Angel. Or if you want something that is more efficient and once broken in will pinch even bad warped paint but it fully modded so no happy little extra parts get the Excal.
Thats just my .02 cents...
But I'm biased because I don't own either just have teamates with both. I shoot a cocker bow down before the magic accuracy elves!
P.S. You get magic elves with the excal tooo... Believe in the magic elves...I do!
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2K R/F Cocker
Magic Elves
ANS complete front block
Kapp Drop
Yes the Elves... I mean come on people think about it. Why do people compare accuracy to cockers? Because they are accurate because they're closed bolt. When they do those stinking tests they say things like almost no difference. And other stuff like that kinda BS. I'm not saying open bolt is more accurate. I met a guy who had a shocker and said that it was the most accurate marker he' ever shot. Why would you pay an extra $500 for an Excaliber when the only difference is the Viking is closed bolt?
Well let's just say the elves are hard at work and the excaliber is the finest shooting marker I've ever shot. Supposedly it was a one of a kinda milled, pewter one. If you know a guy named Dremel thn you know what Excaliber I'm talking about.
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2K R/F Cocker
Magic Elves
ANS complete front block
Kapp Drop
Ah yes had it right in my head and worded it wrong. lol
Thats almost as bad as the first time I saw an Excaliber that was milled and annoe'd and asked the guy "Hey what kind of Angel is that?" lol But at that point I had never seen or heard of one.
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2K R/F Cocker
Magic Elves
ANS complete front block
Kapp Drop
excaliber or angel
. At one point most of us in this forum were in the same boat. It still comes down to personal preference. I personaly bought an Excal. because there is less chance of ball breakage, more efficient on air and closed bolt operation. Read the Excal. FAQ's stickied to the top of this forum. IT is some of the best info you can get. 
But, I like the Excalibur More!!!!!!
