Assertion: rifle | /r/HasProperty | based upon m25 sniper weapon systems
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text: Springfield Armory, Inc. also manufactures variants of its M1A rifle called M21 Tactical Rifle and M25 White Feather Tactical/Carlos Hathcock rifle, which are based upon M21 and M25 Sniper Weapon Systems but are slightly different; most notably they are fitted with a Picatinny rail to mount a scope and a Krieger barrel.