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Old 10-02-2012, 18:45   #20
Any Cal.
Senior Member
Join Date: Oct 2008
Posts: 443
3.5 was renamed 4.5 and is identified by "-". No marking on stock 5.5. 8lb has "+". There is also a "." 5 lb for the newer gen4, to reduce the heavy pull on the redesigned trigger bar.
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