Update data/json/items/gun/50.json

Co-authored-by: Maleclypse <[email protected]>

data/json/items/gun/50.json

@@ -81,7 +81,7 @@
   {
     "id": "as50",
     "copy-from": "rifle_semi",
-    "looks_like": "modular_ar15",
+    "looks_like": "m107a1",
     "type": "GUN",
     "name": { "str": ".50-caliber precision rifle" },
     "description": "Pin-point accurate out to one and a half kilometres and cycling its .50-calibre feed from detachable, 10-round magazines, this combat sniper's weapon provides users with a comfortable window to engage targets at a distance.  Its imposing bullets ensure that it is more than capable of delivering an adequate account of itself at such ranges.",