Thread: Tx200 sr spring
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Old 20th February 2016, 02:05 AM
FPoole FPoole is offline
Join Date: Dec 2011
Location: Plant City, FL USA
Posts: 33
Default SR spring

As above, the spring in the SR is the same as the MarkI and MarkII guns and appears to be very close to the same as the MarkIII FAC spring. In the last 10 years or so the spring diameter has gotten slightly larger. I found this when I tried to fit an FAC spring into my early MarkIII. It scrubbed the inside of the piston on cocking.
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