Tom West's Custom PC77 PumpMaster Classic Short Rifle
tearing down the 22xx.April 10 2012 at 5:45 PM
|gabe (Login lillysdad621)|
Crosman Forum Member
from IP address 188.8.131.52
Response to Re: 650-700 FPS .22?
do not be afraid to tear down the 22xx. comparing it to the 2200 is like rebuilding a single cylinder 2 stroke dirtbike engine vs. rebuilding a northstar v8 cadillac engine... to change the spring you only need to remove the top rear screw and the rear pistol grip assembly screw. the rear cap will pop out under the tension of the hammer spring. replace, recap, re screw. done. the only tough part is the little allen screw inside the breach... if you are not careful they strip very easily... I actually take them out and cut a slot in the middle of the head to use a flat head screwdriver instead...
By the way... 600 fps is plenty for such small carbine/pistol. it is about 12 fpe, and about as hard as a P rod from the factory... my hunting number is even lower than that... 500 fps with 14.3 gr is a lot of whomp. And 550 fps with the 10.5 gr .177 is plenty for good 60 yards shots...
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