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Heckler & Koch (H&K HK) MR556 CA Compliant, Semi-automatic Rifle, 223Rem/556NATO, 17.5″ Barrel (16″ Barrel pinned and welded to 17.5″ OAL), Black Finish, 6 Position Collapsible Stock, 10Rd, 1 Magazine, 9″ Modular
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Heckler & Koch on Twitter: "Besides a civilian MP7, which HK model would you most like to see released in the USA? pc: @JeremyTremp https://t.co/N3IaeA1QO6" / Twitter
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