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|03-26-2013, 11:05 PM||#1 (permalink)|
Join Date: Jul 2006
Location: Czech Republic (middle Europe)
Recommendet Sterling bolt modifications
Up is stock Sterling bolt, down is after modification:
- screw velocity adjuster trough gasflow restriction
- additional guiding o-ring
- small o-ring working like shock absorber of the bolt while closing
|03-27-2013, 12:06 AM||#2 (permalink)|
Old school from way back!
Join Date: Oct 2012
Location: Mentor, Ohio
I did this to my stock Sterling bolt (adjustable from the front) and to my Venturi Sterling bolt (adjustable from the rear). I now regret doing it back in the 90's because with a Regulator on my gun I see it was totally unnecessary.
just my .02
Started with a Splatmaster, moved onto a Nelspot 007, then came the Autocockers, then a STERLING Pump, next was a Bob Long defiant then a PM7. As of now I have 4 Sterling Pumps, 2 Phantom for SC and 2 Spyder's plus a bunch of extra parts.
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