diff --git a/addons/jam/CfgWeapons.hpp b/addons/jam/CfgWeapons.hpp
index 8beb382cf..306ca5e61 100644
--- a/addons/jam/CfgWeapons.hpp
+++ b/addons/jam/CfgWeapons.hpp
@@ -67,6 +67,10 @@ class CfgWeapons {
         magazineWell[] = {"CBA_556x45_MINIMI"};
     };
 
+    class LMG_Mk200_F : Rifle_Long_Base_F {
+        magazineWell[] = {"CBA_65x39_Mk200"};
+    };
+
     class launch_RPG7_F : Launcher_Base_F {
         magazineWell[] = {"CBA_RPG7"};
     };
diff --git a/addons/jam/magwells_65x39.hpp b/addons/jam/magwells_65x39.hpp
index a85fa5604..5543db071 100644
--- a/addons/jam/magwells_65x39.hpp
+++ b/addons/jam/magwells_65x39.hpp
@@ -12,3 +12,10 @@
             "100Rnd_65x39_caseless_mag_Tracer"
         };
     };
+
+    class CBA_65x39_Mk200 {
+        BI_mags[] = {
+            "200Rnd_65x39_cased_Box",
+            "200Rnd_65x39_cased_Box_Tracer"
+        };
+    };