diff --git a/lib/cannery/ammo/ammo_type.ex b/lib/cannery/ammo/ammo_type.ex
index 71e8eef..ebc5e17 100644
--- a/lib/cannery/ammo/ammo_type.ex
+++ b/lib/cannery/ammo/ammo_type.ex
@@ -30,7 +30,7 @@ defmodule Cannery.Ammo.AmmoType do
     field :grains, :integer
     field :pressure, :string
     field :primer_type, :string
-    field :rimfire, :boolean, null: false, default: false
+    field :firing_type, :string
     field :tracer, :boolean, null: false, default: false
     field :incendiary, :boolean, null: false, default: false
     field :blank, :boolean, null: false, default: false
@@ -62,7 +62,7 @@ defmodule Cannery.Ammo.AmmoType do
           grains: integer() | nil,
           pressure: String.t() | nil,
           primer_type: String.t() | nil,
-          rimfire: boolean(),
+          firing_type: String.t() | nil,
           tracer: boolean(),
           incendiary: boolean(),
           blank: boolean(),
@@ -95,7 +95,7 @@ defmodule Cannery.Ammo.AmmoType do
       :grains,
       :pressure,
       :primer_type,
-      :rimfire,
+      :firing_type,
       :tracer,
       :incendiary,
       :blank,
diff --git a/lib/cannery_web/live/ammo_type_live/form_component.html.heex b/lib/cannery_web/live/ammo_type_live/form_component.html.heex
index 4d371f6..b5b7f0d 100644
--- a/lib/cannery_web/live/ammo_type_live/form_component.html.heex
+++ b/lib/cannery_web/live/ammo_type_live/form_component.html.heex
@@ -125,9 +125,12 @@
     ) %>
     <%= error_tag(f, :primer_type, "col-span-3 text-center") %>
 
-    <%= label(f, :rimfire, gettext("Rimfire"), class: "mr-4 title text-lg text-primary-500") %>
-    <%= checkbox(f, :rimfire, class: "text-center col-span-2 checkbox") %>
-    <%= error_tag(f, :rimfire, "col-span-3 text-center") %>
+    <%= label(f, :firing_type, gettext("Firing type"), class: "mr-4 title text-lg text-primary-500") %>
+    <%= text_input(f, :firing_type,
+      class: "text-center col-span-2 input input-primary",
+      placeholder: "Centerfire"
+    ) %>
+    <%= error_tag(f, :firing_type, "col-span-3 text-center") %>
 
     <%= label(f, :tracer, gettext("Tracer"), class: "mr-4 title text-lg text-primary-500") %>
     <%= checkbox(f, :tracer, class: "text-center col-span-2 checkbox") %>
diff --git a/priv/repo/migrations/20210903015537_create_ammo_types.exs b/priv/repo/migrations/20210903015537_create_ammo_types.exs
index 8e554af..9bdc56b 100644
--- a/priv/repo/migrations/20210903015537_create_ammo_types.exs
+++ b/priv/repo/migrations/20210903015537_create_ammo_types.exs
@@ -20,7 +20,7 @@ defmodule Cannery.Repo.Migrations.CreateAmmoTypes do
       add :grains, :integer
       add :pressure, :string
       add :primer_type, :string
-      add :rimfire, :boolean, null: false, default: false
+      add :firing_type, :string
       add :tracer, :boolean, null: false, default: false
       add :incendiary, :boolean, null: false, default: false
       add :blank, :boolean, null: false, default: false