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NPSS Conversion Kit for Phantom/Quest/Optimus 1000
[SA-NPSSCKit]

$96.99

by Darrell Fowler

Date Added: Friday 28 April, 2017

I purchased 2 of these kits and upgraded a Crosman Optimus and a Stoeger X-10. The Stoeger was a bit more work as the end of the new breech plug had to be ground down by about 2 mm to fit flush with the end of the compression tube. I was surprised to find that both rifles are now significantly more accurate - perhaps the nitro struts are more consistent than the springs. It wasn't cheap, but was a fun project and I'm pleased with the results.

Rating: [5 of 5 Stars!]