diff --git a/CHANGELOG.md b/CHANGELOG.md
index 928d0ce5..e0cdc456 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Add prompt to create first container before first ammo group
 - Edit and delete shot groups from ammo group show page
 - Use today's date when adding new shot groups
+- Create multiple ammo groups at one time
 
 # v0.2.3
 - Fix modals with overflowing forms
diff --git a/lib/cannery/ammo.ex b/lib/cannery/ammo.ex
index 186cdd88..094307da 100644
--- a/lib/cannery/ammo.ex
+++ b/lib/cannery/ammo.ex
@@ -6,7 +6,9 @@ defmodule Cannery.Ammo do
   import Ecto.Query, warn: false
   alias Cannery.{Accounts.User, Containers, Repo}
   alias Cannery.Ammo.{AmmoGroup, AmmoType}
-  alias Ecto.Changeset
+  alias Ecto.{Changeset, Multi}
+
+  @ammo_group_create_limit 10_000
 
   @doc """
   Returns the list of ammo_types.
@@ -327,36 +329,63 @@ defmodule Cannery.Ammo do
   end
 
   @doc """
-  Creates a ammo_group.
+  Creates multiple ammo_groups at once.
 
   ## Examples
 
-      iex> create_ammo_group(%{field: value}, %User{id: 123})
-      {:ok, %AmmoGroup{}}
+      iex> create_ammo_groups(%{field: value}, 3, %User{id: 123})
+      {:ok, {3, [%AmmoGroup{}]}}
 
-      iex> create_ammo_group(%{field: bad_value}, %User{id: 123})
+      iex> create_ammo_groups(%{field: bad_value}, 3, %User{id: 123})
       {:error, %Changeset{}}
 
   """
-  @spec create_ammo_group(attrs :: map(), User.t()) ::
-          {:ok, AmmoGroup.t()} | {:error, Changeset.t(AmmoGroup.new_ammo_group())}
-  def create_ammo_group(
+  @spec create_ammo_groups(attrs :: map(), multiplier :: non_neg_integer(), User.t()) ::
+          {:ok, {count :: non_neg_integer(), [AmmoGroup.t()] | nil}}
+          | {:error, Changeset.t(AmmoGroup.new_ammo_group()) | nil}
+  def create_ammo_groups(
         %{"ammo_type_id" => ammo_type_id, "container_id" => container_id} = attrs,
+        multiplier,
         %User{id: user_id} = user
-      ) do
+      )
+      when multiplier >= 1 and multiplier <= @ammo_group_create_limit do
     # validate ammo type and container ids belong to user
     _valid_ammo_type = get_ammo_type!(ammo_type_id, user)
     _valid_container = Containers.get_container!(container_id, user)
 
-    %AmmoGroup{}
-    |> AmmoGroup.create_changeset(attrs |> Map.put("user_id", user_id))
-    |> Repo.insert()
+    now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+
+    changesets =
+      Enum.map(1..multiplier, fn _count ->
+        %AmmoGroup{} |> AmmoGroup.create_changeset(attrs |> Map.put("user_id", user_id))
+      end)
+
+    if changesets |> Enum.all?(fn %{valid?: valid} -> valid end) do
+      Multi.new()
+      |> Multi.insert_all(
+        :create_ammo_groups,
+        AmmoGroup,
+        changesets
+        |> Enum.map(fn changeset ->
+          changeset
+          |> Map.get(:changes)
+          |> Map.merge(%{inserted_at: now, updated_at: now})
+        end),
+        returning: true
+      )
+      |> Repo.transaction()
+      |> case do
+        {:ok, %{create_ammo_groups: {count, ammo_groups}}} -> {:ok, {count, ammo_groups}}
+        {:error, :create_ammo_groups, changeset, _changes_so_far} -> {:error, changeset}
+        {:error, _other_transaction, _value, _changes_so_far} -> {:error, nil}
+      end
+    else
+      {:error, changesets |> List.first()}
+    end
   end
 
-  def create_ammo_group(invalid_attrs, _user) do
-    %AmmoGroup{}
-    |> AmmoGroup.create_changeset(invalid_attrs |> Map.put("user_id", "-1"))
-    |> Repo.insert()
+  def create_ammo_groups(invalid_attrs, _multiplier, _user) do
+    {:error, %AmmoGroup{} |> AmmoGroup.create_changeset(invalid_attrs)}
   end
 
   @doc """
diff --git a/lib/cannery_web/live/ammo_group_live/form_component.ex b/lib/cannery_web/live/ammo_group_live/form_component.ex
index f05b316e..a87be408 100644
--- a/lib/cannery_web/live/ammo_group_live/form_component.ex
+++ b/lib/cannery_web/live/ammo_group_live/form_component.ex
@@ -9,6 +9,8 @@ defmodule CanneryWeb.AmmoGroupLive.FormComponent do
   alias Ecto.Changeset
   alias Phoenix.LiveView.Socket
 
+  @ammo_group_create_limit 10_000
+
   @impl true
   @spec update(
           %{:ammo_group => AmmoGroup.t(), :current_user => User.t(), optional(any) => any},
@@ -22,6 +24,7 @@ defmodule CanneryWeb.AmmoGroupLive.FormComponent do
   def update(%{assigns: %{ammo_group: ammo_group, current_user: current_user}} = socket) do
     socket =
       socket
+      |> assign(:ammo_group_create_limit, @ammo_group_create_limit)
       |> assign(:changeset, Ammo.change_ammo_group(ammo_group))
       |> assign(:ammo_types, Ammo.list_ammo_types(current_user))
       |> assign_new(:containers, fn -> Containers.list_containers(current_user) end)
@@ -80,20 +83,68 @@ defmodule CanneryWeb.AmmoGroupLive.FormComponent do
   end
 
   defp save_ammo_group(
-         %{assigns: %{current_user: current_user, return_to: return_to}} = socket,
+         %{assigns: %{changeset: changeset}} = socket,
          :new,
-         ammo_group_params
+         %{"multiplier" => multiplier_str} = ammo_group_params
        ) do
     socket =
-      case Ammo.create_ammo_group(ammo_group_params, current_user) do
-        {:ok, _ammo_group} ->
-          prompt = dgettext("prompts", "Ammo group created successfully")
-          socket |> put_flash(:info, prompt) |> push_redirect(to: return_to)
+      case multiplier_str |> Integer.parse() do
+        {multiplier, _remainder}
+        when multiplier >= 1 and multiplier <= @ammo_group_create_limit ->
+          socket |> create_multiple(ammo_group_params, multiplier)
 
-        {:error, %Changeset{} = changeset} ->
-          socket |> assign(changeset: changeset)
+        {multiplier, _remainder} ->
+          error_msg =
+            dgettext(
+              "errors",
+              "Invalid number of copies, must be between 1 and %{max}. Was %{multiplier}",
+              max: @ammo_group_create_limit,
+              multiplier: multiplier
+            )
+
+          {:error, changeset} =
+            changeset
+            |> Changeset.add_error(:multiplier, error_msg)
+            |> Changeset.apply_action(:insert)
+
+          socket |> assign(:changeset, changeset)
+
+        :error ->
+          error_msg = dgettext("errors", "Could not parse number of copies")
+
+          {:error, changeset} =
+            changeset
+            |> Changeset.add_error(:multiplier, error_msg)
+            |> Changeset.apply_action(:insert)
+
+          socket |> assign(:changeset, changeset)
       end
 
     {:noreply, socket}
   end
+
+  defp create_multiple(
+         %{assigns: %{current_user: current_user, return_to: return_to}} = socket,
+         ammo_group_params,
+         multiplier
+       ) do
+    case Ammo.create_ammo_groups(ammo_group_params, multiplier, current_user) do
+      {:ok, {count, _ammo_groups}} ->
+        prompt =
+          dngettext(
+            "prompts",
+            "Ammo group created successfully",
+            "Ammo groups created successfully",
+            count
+          )
+
+        socket |> put_flash(:info, prompt) |> push_redirect(to: return_to)
+
+      {:error, %Changeset{} = changeset} ->
+        socket |> assign(changeset: changeset)
+
+      {:error, nil} ->
+        socket
+    end
+  end
 end
diff --git a/lib/cannery_web/live/ammo_group_live/form_component.html.heex b/lib/cannery_web/live/ammo_group_live/form_component.html.heex
index 5e2d8efc..3fe8bf2d 100644
--- a/lib/cannery_web/live/ammo_group_live/form_component.html.heex
+++ b/lib/cannery_web/live/ammo_group_live/form_component.html.heex
@@ -33,7 +33,7 @@
 
     <%= label(f, :price_paid, gettext("Price paid"), class: "title text-lg text-primary-600") %>
     <%= number_input(f, :price_paid,
-      step: "0.01",
+      step: 0.01,
       class: "text-center col-span-2 input input-primary"
     ) %>
     <%= error_tag(f, :price_paid, "col-span-3 text-center") %>
@@ -51,9 +51,29 @@
     ) %>
     <%= error_tag(f, :container_id, "col-span-3 text-center") %>
 
-    <%= submit(dgettext("actions", "Save"),
-      phx_disable_with: dgettext("prompts", "Saving..."),
-      class: "mx-auto col-span-3 btn btn-primary"
-    ) %>
+    <%= case @action do %>
+      <% :new -> %>
+        <hr class="hr col-span-3" />
+
+        <%= label(f, :multiplier, gettext("Copies"), class: "title text-lg text-primary-600") %>
+        <%= number_input(f, :multiplier,
+          max: @ammo_group_create_limit,
+          class: "text-center input input-primary",
+          value: 1,
+          phx_update: "ignore"
+        ) %>
+
+        <%= submit(dgettext("actions", "Create"),
+          phx_disable_with: dgettext("prompts", "Creating..."),
+          class: "mx-auto btn btn-primary"
+        ) %>
+
+        <%= error_tag(f, :multiplier, "col-span-3 text-center") %>
+      <% :edit -> %>
+        <%= submit(dgettext("actions", "Save"),
+          phx_disable_with: dgettext("prompts", "Saving..."),
+          class: "mx-auto col-span-3 btn btn-primary"
+        ) %>
+    <% end %>
   </.form>
 </div>
diff --git a/priv/gettext/actions.pot b/priv/gettext/actions.pot
index 5557e589..4c3eebef 100644
--- a/priv/gettext/actions.pot
+++ b/priv/gettext/actions.pot
@@ -125,7 +125,7 @@ msgstr ""
 
 #, elixir-autogen, elixir-format
 #: lib/cannery_web/components/add_shot_group_component.html.heex:46
-#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:54
+#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:73
 #: lib/cannery_web/live/ammo_type_live/form_component.html.heex:156
 #: lib/cannery_web/live/container_live/form_component.html.heex:50
 #: lib/cannery_web/live/invite_live/form_component.html.heex:28
@@ -196,3 +196,8 @@ msgstr ""
 #: lib/cannery_web/live/ammo_group_live/index.html.heex:36
 msgid "add a container first"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:66
+msgid "Create"
+msgstr ""
diff --git a/priv/gettext/default.pot b/priv/gettext/default.pot
index e059534d..0dab71e4 100644
--- a/priv/gettext/default.pot
+++ b/priv/gettext/default.pot
@@ -834,3 +834,8 @@ msgstr ""
 #: lib/cannery_web/live/range_live/index.ex:28
 msgid "Record Shots"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:58
+msgid "Copies"
+msgstr ""
diff --git a/priv/gettext/errors.pot b/priv/gettext/errors.pot
index 68fc2680..ec2f6718 100644
--- a/priv/gettext/errors.pot
+++ b/priv/gettext/errors.pot
@@ -157,3 +157,13 @@ msgstr ""
 #: lib/cannery_web/live/container_live/edit_tags_component.ex:52
 msgid "Tag could not be removed"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/cannery_web/live/ammo_group_live/form_component.ex:113
+msgid "Could not parse number of copies"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/cannery_web/live/ammo_group_live/form_component.ex:98
+msgid "Invalid number of copies, must be between 1 and %{max}. Was %{multiplier}"
+msgstr ""
diff --git a/priv/gettext/prompts.pot b/priv/gettext/prompts.pot
index 62f6964b..261e5acb 100644
--- a/priv/gettext/prompts.pot
+++ b/priv/gettext/prompts.pot
@@ -61,11 +61,6 @@ msgstr ""
 msgid "A link to confirm your email change has been sent to the new address."
 msgstr ""
 
-#, elixir-autogen, elixir-format
-#: lib/cannery_web/live/ammo_group_live/form_component.ex:90
-msgid "Ammo group created successfully"
-msgstr ""
-
 #, elixir-autogen, elixir-format
 #: lib/cannery_web/live/ammo_group_live/index.ex:56
 #: lib/cannery_web/live/ammo_group_live/show.ex:52
@@ -73,7 +68,7 @@ msgid "Ammo group deleted succesfully"
 msgstr ""
 
 #, elixir-autogen, elixir-format
-#: lib/cannery_web/live/ammo_group_live/form_component.ex:72
+#: lib/cannery_web/live/ammo_group_live/form_component.ex:75
 msgid "Ammo group updated successfully"
 msgstr ""
 
@@ -160,7 +155,7 @@ msgstr ""
 
 #, elixir-autogen, elixir-format
 #: lib/cannery_web/components/add_shot_group_component.html.heex:48
-#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:55
+#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:74
 #: lib/cannery_web/live/ammo_type_live/form_component.html.heex:157
 #: lib/cannery_web/live/container_live/form_component.html.heex:52
 #: lib/cannery_web/live/invite_live/form_component.html.heex:30
@@ -251,3 +246,15 @@ msgstr ""
 #: lib/cannery_web/live/ammo_group_live/index.html.heex:33
 msgid "You'll need to"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/cannery_web/live/ammo_group_live/form_component.html.heex:67
+msgid "Creating..."
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/cannery_web/live/ammo_group_live/form_component.ex:134
+msgid "Ammo group created successfully"
+msgid_plural "Ammo groups created successfully"
+msgstr[0] ""
+msgstr[1] ""
diff --git a/test/cannery/activity_log_test.exs b/test/cannery/activity_log_test.exs
index c314ab4f..d96c105b 100644
--- a/test/cannery/activity_log_test.exs
+++ b/test/cannery/activity_log_test.exs
@@ -20,8 +20,8 @@ defmodule Cannery.ActivityLogTest do
       container = container_fixture(current_user)
       ammo_type = ammo_type_fixture(current_user)
 
-      %{id: ammo_group_id} =
-        ammo_group = ammo_group_fixture(%{"count" => 25}, ammo_type, container, current_user)
+      {1, [%{id: ammo_group_id} = ammo_group]} =
+        ammo_group_fixture(%{"count" => 25}, ammo_type, container, current_user)
 
       shot_group =
         %{"count" => 5, "date" => ~N[2022-02-13 03:17:00], "notes" => "some notes"}
diff --git a/test/cannery/ammo_test.exs b/test/cannery/ammo_test.exs
index ad148fe9..2ae4e6ec 100644
--- a/test/cannery/ammo_test.exs
+++ b/test/cannery/ammo_test.exs
@@ -108,7 +108,7 @@ defmodule Cannery.AmmoTest do
       current_user = user_fixture()
       ammo_type = ammo_type_fixture(current_user)
       container = container_fixture(current_user)
-      ammo_group = ammo_group_fixture(ammo_type, container, current_user)
+      {1, [ammo_group]} = ammo_group_fixture(ammo_type, container, current_user)
 
       [
         ammo_type: ammo_type,
@@ -129,28 +129,28 @@ defmodule Cannery.AmmoTest do
                ammo_group |> Repo.preload(:shot_groups)
     end
 
-    test "create_ammo_group/1 with valid data creates a ammo_group",
+    test "create_ammo_groups/3 with valid data creates a ammo_group",
          %{
            ammo_type: ammo_type,
            container: container,
            current_user: current_user
          } do
-      assert {:ok, %AmmoGroup{} = ammo_group} =
+      assert {:ok, {1, [%AmmoGroup{} = ammo_group]}} =
                @valid_attrs
                |> Map.merge(%{"ammo_type_id" => ammo_type.id, "container_id" => container.id})
-               |> Ammo.create_ammo_group(current_user)
+               |> Ammo.create_ammo_groups(1, current_user)
 
       assert ammo_group.count == 42
       assert ammo_group.notes == "some notes"
       assert ammo_group.price_paid == 120.5
     end
 
-    test "create_ammo_group/1 with invalid data returns error changeset",
+    test "create_ammo_groups/3 with invalid data returns error changeset",
          %{ammo_type: ammo_type, container: container, current_user: current_user} do
       assert {:error, %Changeset{}} =
                @invalid_attrs
                |> Map.merge(%{"ammo_type_id" => ammo_type.id, "container_id" => container.id})
-               |> Ammo.create_ammo_group(current_user)
+               |> Ammo.create_ammo_groups(1, current_user)
     end
 
     test "update_ammo_group/2 with valid data updates the ammo_group",
diff --git a/test/cannery_web/live/ammo_group_live_test.exs b/test/cannery_web/live/ammo_group_live_test.exs
index c8bd6249..24beaad2 100644
--- a/test/cannery_web/live/ammo_group_live_test.exs
+++ b/test/cannery_web/live/ammo_group_live_test.exs
@@ -6,19 +6,20 @@ defmodule CanneryWeb.AmmoGroupLiveTest do
   use CanneryWeb.ConnCase
   import Phoenix.LiveViewTest
   import CanneryWeb.Gettext
-  alias Cannery.Repo
+  alias Cannery.{Ammo, Repo}
 
   @moduletag :ammo_group_live_test
   @shot_group_create_attrs %{"ammo_left" => 5, "notes" => "some notes"}
   @shot_group_update_attrs %{"count" => 5, "notes" => "some updated notes"}
-  @create_attrs %{count: 42, notes: "some notes", price_paid: 120.5}
-  @update_attrs %{count: 43, notes: "some updated notes", price_paid: 456.7}
+  @create_attrs %{"count" => 42, "notes" => "some notes", "price_paid" => 120.5}
+  @update_attrs %{"count" => 43, "notes" => "some updated notes", "price_paid" => 456.7}
+  @ammo_group_create_limit 10_000
   # @invalid_attrs %{count: -1, notes: nil, price_paid: nil}
 
   defp create_ammo_group(%{current_user: current_user}) do
     ammo_type = ammo_type_fixture(current_user)
     container = container_fixture(current_user)
-    ammo_group = ammo_group_fixture(ammo_type, container, current_user)
+    {1, [ammo_group]} = ammo_group_fixture(ammo_type, container, current_user)
 
     shot_group =
       %{"count" => 5, "date" => ~N[2022-02-13 03:17:00], "notes" => "some notes"}
@@ -38,7 +39,7 @@ defmodule CanneryWeb.AmmoGroupLiveTest do
       assert html =~ ammo_group.ammo_type.name
     end
 
-    test "saves new ammo_group", %{conn: conn} do
+    test "saves a single new ammo_group", %{conn: conn} do
       {:ok, index_live, _html} = live(conn, Routes.ammo_group_index_path(conn, :index))
 
       assert index_live |> element("a", dgettext("actions", "New Ammo group")) |> render_click() =~
@@ -60,6 +61,68 @@ defmodule CanneryWeb.AmmoGroupLiveTest do
       assert html =~ "42"
     end
 
+    test "saves multiple new ammo_groups", %{conn: conn, current_user: current_user} do
+      multiplier = 25
+
+      {:ok, index_live, _html} = live(conn, Routes.ammo_group_index_path(conn, :index))
+
+      assert index_live |> element("a", dgettext("actions", "New Ammo group")) |> render_click() =~
+               gettext("New Ammo group")
+
+      assert_patch(index_live, Routes.ammo_group_index_path(conn, :new))
+
+      # assert index_live
+      #        |> form("#ammo_group-form", ammo_group: @invalid_attrs)
+      #        |> render_change() =~ dgettext("errors", "can't be blank")
+
+      {:ok, _, html} =
+        index_live
+        |> form("#ammo_group-form",
+          ammo_group: @create_attrs |> Map.put("multiplier", to_string(multiplier))
+        )
+        |> render_submit()
+        |> follow_redirect(conn, Routes.ammo_group_index_path(conn, :index))
+
+      assert html =~ dgettext("prompts", "Ammo groups created successfully")
+      assert Ammo.list_ammo_groups(current_user) |> Enum.count() == multiplier + 1
+    end
+
+    test "does not save invalid number of new ammo_groups", %{conn: conn} do
+      {:ok, index_live, _html} = live(conn, Routes.ammo_group_index_path(conn, :index))
+
+      assert index_live |> element("a", dgettext("actions", "New Ammo group")) |> render_click() =~
+               gettext("New Ammo group")
+
+      assert_patch(index_live, Routes.ammo_group_index_path(conn, :new))
+
+      # assert index_live
+      #        |> form("#ammo_group-form", ammo_group: @invalid_attrs)
+      #        |> render_change() =~ dgettext("errors", "can't be blank")
+
+      assert index_live
+             |> form("#ammo_group-form", ammo_group: @create_attrs |> Map.put("multiplier", "0"))
+             |> render_submit() =~
+               dgettext(
+                 "errors",
+                 "Invalid number of copies, must be between 1 and %{max}. Was %{multiplier}",
+                 multiplier: 0,
+                 max: @ammo_group_create_limit
+               )
+
+      assert index_live
+             |> form("#ammo_group-form",
+               ammo_group:
+                 @create_attrs |> Map.put("multiplier", to_string(@ammo_group_create_limit + 1))
+             )
+             |> render_submit() =~
+               dgettext(
+                 "errors",
+                 "Invalid number of copies, must be between 1 and %{max}. Was %{multiplier}",
+                 multiplier: @ammo_group_create_limit + 1,
+                 max: @ammo_group_create_limit
+               )
+    end
+
     test "saves new shot_group", %{conn: conn, ammo_group: ammo_group} do
       {:ok, index_live, _html} = live(conn, Routes.ammo_group_index_path(conn, :index))
 
diff --git a/test/cannery_web/live/range_live_test.exs b/test/cannery_web/live/range_live_test.exs
index 4c05585f..888ea0ce 100644
--- a/test/cannery_web/live/range_live_test.exs
+++ b/test/cannery_web/live/range_live_test.exs
@@ -16,7 +16,9 @@ defmodule CanneryWeb.RangeLiveTest do
   defp create_shot_group(%{current_user: current_user}) do
     container = container_fixture(%{"staged" => true}, current_user)
     ammo_type = ammo_type_fixture(current_user)
-    ammo_group = ammo_group_fixture(%{"staged" => true}, ammo_type, container, current_user)
+
+    {1, [ammo_group]} =
+      ammo_group_fixture(%{"staged" => true}, ammo_type, container, current_user)
 
     shot_group =
       %{"count" => 5, "date" => ~N[2022-02-13 03:17:00], "notes" => "some notes"}
diff --git a/test/support/fixtures.ex b/test/support/fixtures.ex
index f7ee0e21..07bb7b2f 100644
--- a/test/support/fixtures.ex
+++ b/test/support/fixtures.ex
@@ -111,10 +111,20 @@ defmodule Cannery.Fixtures do
   @doc """
   Generate a AmmoGroup
   """
-  @spec ammo_group_fixture(AmmoType.t(), Container.t(), User.t()) :: AmmoGroup.t()
-  @spec ammo_group_fixture(attrs :: map(), AmmoType.t(), Container.t(), User.t()) :: AmmoGroup.t()
+  @spec ammo_group_fixture(AmmoType.t(), Container.t(), User.t()) ::
+          {count :: non_neg_integer(), [AmmoGroup.t()]}
+  @spec ammo_group_fixture(attrs :: map(), AmmoType.t(), Container.t(), User.t()) ::
+          {count :: non_neg_integer(), [AmmoGroup.t()]}
+  @spec ammo_group_fixture(
+          attrs :: map(),
+          multiplier :: non_neg_integer(),
+          AmmoType.t(),
+          Container.t(),
+          User.t()
+        ) :: {count :: non_neg_integer(), [AmmoGroup.t()]}
   def ammo_group_fixture(
         attrs \\ %{},
+        multiplier \\ 1,
         %AmmoType{id: ammo_type_id},
         %Container{id: container_id},
         %User{} = user
@@ -125,7 +135,7 @@ defmodule Cannery.Fixtures do
       "container_id" => container_id,
       "count" => 20
     })
-    |> Ammo.create_ammo_group(user)
+    |> Ammo.create_ammo_groups(multiplier, user)
     |> unwrap_ok_tuple()
   end