diff --git a/data/json/items/gun/4570.json b/data/json/items/gun/4570.json
index 78dc9f7eaa09f..129b989176059 100644
--- a/data/json/items/gun/4570.json
+++ b/data/json/items/gun/4570.json
@@ -6,8 +6,8 @@
     "type": "GUN",
     "name": { "str": "Marlin 1895 SBL" },
     "description": "A handy but powerful lever-action rifle chambered for .45-70 Government.  Designed for wilderness guides for defense against large predators such as grizzly bears, moose, and dinosaurs.",
-    "weight": "3650 g",
-    "volume": "2250 ml",
+    "weight": "3629 g",
+    "volume": "1829 ml",
     "price": 100000,
     "price_postapoc": 2500,
     "to_hit": 1,
@@ -18,7 +18,7 @@
     "ammo": [ "4570" ],
     "dispersion": 200,
     "durability": 8,
-    "clip_size": 7,
+    "clip_size": 6,
     "valid_mod_locations": [
       [ "accessories", 4 ],
       [ "brass catcher", 1 ],