Tuning Marauder barrel alignment to air tube issue

YES ... if you already diagnosed the issue ( You have ) Go one step further and put port back in tho WITHOUT the sealing collars.

This will tell you if the port itself is the problem ( Too long ) or a sealing collar that is not crushing enough to allow breech to get flat.

Generally the seals do crush enough so my money in on the ports length creating the mechanical bind.



Scott

There ya go ... let facts discovered dictate a fix.

One you might try is loosen the barrel set screws, install the breech to the airtube and tighten down evenly, then snug up your barrel set screws last with the bolt closed. Ive noticed when i do it this way it stays visually aligned and i have minimal poi shift after reassembling. Just a thought. 

make sure the recess in the barrel's transfer port area is centered in the breech transfer port hole so the transfer port and its seals fit flush into the recess.

Hello Gents. Let me say it's nice to find a Benjamin group of people. I am very new to air gun fun, and maybe you all can shed some light on my problem. I am shooting an Armadale 22 cal in 25 m benchrest. I am using crossman 14.3 hollow point pellets running from 3000 psi to 2000 over 30 shots. I have a new Diamond back 6 x32-50 scope. I am shooting off bipod with no stock support off my shoulder, the way it was intended to be used. I can get a pretty good 10 shot group all around that pesky little bullseye. I would like to be more accurate than this. What should I be looking to do to be more accurate. Would you suggest a new barrel upgrade, and where to get one. Are there any other ideas you might have?