I have owned two other Classic C.P.Automags, one a custom stainless level 7 Mag that was great. The only true comparison is great design and simplicity.
Marker Setup:
I now own an Automag RT that is equipped with an 88cc, 3000psi Crossfire. Custom forward grip (approx. 4 to 5 inches further forward than the stock forward grip). Currently revising another custom drop forward cradle.
Recommended Upgrades:
Adjustable Nitrogen tanks are best at 750 psi. I use a 88cc non-adjustable Crossfire which is non-adj. @ 800-850psi. Stock barrel works good on more breakable paint with lower chrono setting of 250 to 260fps. I recommend a Dye Boom Stick 16 inch to reach out and touch someone and get a better aim
down the barrel. I will be investing in a 10 or 12 inch barrel soon, haven't decided yet what brand. Right now I prefer the 16" Dye Boom.
Have someone make you a custom drop forward cradle and move the tank regulator more to the front to balance the heavy weight of the gun. I use "Cap-Cradle" components with an extended hex rod.
Strengths:
1) Simplicity of cleaning and maintenance. One can not compare this fact to any other high rate of fire tourney gun.
2) I can keep my finger on the trigger without accidental discharge unlike most of the new electronic guns that fire when you just barely touch the trigger.
3) It does shoot faster than the Cocker and I believe any faster (as with electronic guns) is really not necessary.
4) The six port intakes (3 on each side) in the rear frame of the gun is great. I have taken off the standard hard line from the left side of my gun and installed a microline on the right side since I look down the left side of my gun mostly when engaging targets. Also removed sight rail for same principle. These air intake options allows you to even screw a gage on or other modifications.
Weaknesses:
1) Ok guys, one real story about chopping balls has to do with the field strip bolt at the rear of the gun. The one that has two "o-rings". If it is too loose the gun will shoot faster than anything I have seen and will chop balls big time. I sent my gun into Airgun Designs and everything and they "did this" and "did that" and never mentioned that this would happen because of the strip bolt/screw (whatever you want to call it). But, only through trial and error I found out why this was happening at least on my gun. Make sure it is tight.
2) Weight. You need a more forward customize cradle than standard cradles on the market (my opinion at least).
Conclusion:
This is a great gun and if you have one, think twice before selling it for a faster electronic marker. Think about all the extra components you will deal with if you want a electronic gun to shoot faster