The vendor roll isn't the best for PvP (though it will destroy in any raid) but you can get very good rolls from the drops. Use it, friends, it's a monster
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got one with HCR/snapshot, braced frame/reinforced barrel, and LITC from a bounty awhile back and it destroys people. Braced frame brings the mag down to six, and I get 2 taps pretty consistently that way, great for 1v1's