How would a Marauder perform on CO2? About like the Discovery or more velocity? I wouldn't mind having one sometime or the other, but I will be having back surgery soon, so I think hand pumps will be OUT for a good while, and the nearest scuba shop is 65 miles away from where I live. I plan on getting a Hammerli 850 .177 here in a few days, but the Marauder could be a thing for next year or so, depends upon recovery and finances I guess. Interesting rifle anyways! Thanks for any information friends.
since no one else is picking up. I have a .20cal Disco. with a stock valve, lightened hammer, and 18" barrel that shoots well over 700+ fps @72deg. on co2 without increasing the tension on the std hammer spring. Also have a .22 cal QB78, basically the same build, 18"barrel, standard volume valve, teflon stem, lightened hammer, stock spring tension, bulk fed long lower tube, shoots 750fps @ 72deg.
If the long barrel's work better for co2 adage is true, I'd imagine with a little tuning, you ought to be able to do better than me.
Looks like not much interest shooting the Marauder with CO2. I'll search around some more to see what I can find. It looks interesting; if it shot say 12-15 foot pounds power, it would make a fine short range repeating hunting rifle. Good looking wood stock, shrouded barrel, adjustable trigger, accurate, repeater, and could be simply refilled from a cheapo paintball CO2 bottle. I have a bad lower back problem and will probably be having surgery soon to correct it, so the option of shooting with CO2 instead of using HPA pumps is interesting to me.
I used co2 in my disco but have not yet in the Marauder. For me it's much cheaper to use hpa from a scuba fill (4 dollars) then to use co2 (7.50 for a 20oz). And I get more shots from the scuba. It's probably quieter (!) and lower velocity around 650-700. The disco gets @60 good shots.
Looks like the Discovery and Marauder will do about 625 fps average with 14.3 grain pellets. I was comparing these rifles to the Hammerli 850. Looks like for strictly CO2 usage, the Hammerli would make a better choice of rifle. I might try one of the PCP's a little bit later on when I'm able to handle it better. Right now the less effort the better. Thanks for the replies friends!
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