So most of you have heard you can increase your chance of getting a Longbow Synthesis by equipping a Year 1 Secondary before opening your Vanguard and Crucible packages.
Here are my test results after opening nearly 20 packages:
https://www.youtube.com/watch?v=QvC2Hr-e0D4
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I put year 1gear and weapons on and a year 2 sniper and I got a LDR... probably a coincidence though.