NPSS barrel catch problem resolved

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A few weeks ago, I posted the trouble I had concerning  the barrel of my new Crosman NPSS 22 not staying locked after cocking. It would fall open if the rifle was placed on a rest with any force...even just inadvertently slapping the forearm with a palm could cause it to fall. I had no idea what I could have done to get it to lock up.It was suggested here that the barrel chisel spring was weak or broken so I contacted Crosman and was advised to return it under warranty for service.In the included note explaining the problem, I asked that this rifle be repaired and sent back to me since it was an extremely accurate shooter. I wanted this gun back since there were no signs of any seal problem that plagued some of these models.I thought fixing a simple barrel catch should be easy and I'd get it back quickly. The upshot is...they kept it 2 weeks, then sent me a new Remington NPSS as a replacement.They also included a new scope and mount, even though I just returned the rifle. SO...I have a new NPSS with scope but no idea what fix -- if any-- could be done to the barrel chisle/lock-up issue. I had hoped to report what could be done with this problem since I knew others have had this happen. This gun seems to lock up tightly with no indications of the former problem. Stay tuned...
 Larry

[Gene_SC]

Ya Gamo had an issue with the double chisel lock up on their springers. They finally change the design. The best lockup I have ever seen has been the ball lockup. RWS uses that style along with a few other manufacturers. In your case I think it was a bad batch of actions that got through. Best of luck with your new baby. I sure love mine..

[LongIslandArcher]

I never had a problem with the barrel lockup catch on my Crosman NPSS, but then again, my gun didn't come with breach spacers installed, so I went out and found the perfect substitute - 5/16" brass washers from Lowe's.  The fit is nice and tight, and when I reinstalled the pivot pin, I tightened enough so that it takes a really solid whack to break open the barrel.  No barrel droop problems for me with my rifle.  

I'm about to undertake a BS Super Streak conversion to a gas ram.  I have my lathe, got the delrin and am set to make gas ram shims.