diff --git a/packages/react/src/ActionList/Group.tsx b/packages/react/src/ActionList/Group.tsx
index 5d981a41947..7f18e8a9d76 100644
--- a/packages/react/src/ActionList/Group.tsx
+++ b/packages/react/src/ActionList/Group.tsx
@@ -11,6 +11,7 @@ import type {FCWithSlotMarker} from '../utils/types/Slots'
 import {GroupHeadingTrailingAction} from './GroupHeadingTrailingAction'
 import {useFeatureFlag} from '../FeatureFlags'
 import {GroupContext} from './GroupContext'
+import {mergeProps} from '../utils/mergeProps'
 
 const GROUP_HEADING_TRAILING_ACTION_FEATURE_FLAG = 'primer_react_action_list_group_heading_trailing_action'
 
@@ -28,11 +29,7 @@ const Heading: React.FC<HeadingProps & React.HTMLAttributes<HTMLHeadingElement>>
   id,
   ...rest
 }) => {
-  return (
-    <Component className={className} id={id} {...rest}>
-      {children}
-    </Component>
-  )
+  return <Component {...mergeProps({className, id}, rest)}>{children}</Component>
 }
 
 type HeadingWrapProps = {
@@ -98,10 +95,14 @@ export const Group: FCWithSlotMarker<React.PropsWithChildren<ActionListGroupProp
 
   return (
     <li
-      className={clsx(className, groupClasses.Group)}
-      data-component="ActionList.Group"
-      role={listRole ? 'none' : undefined}
-      {...props}
+      {...mergeProps(
+        {
+          className: clsx(groupClasses.Group, className),
+          'data-component': 'ActionList.Group',
+          role: listRole ? 'none' : undefined,
+        },
+        props,
+      )}
     >
       <GroupContext.Provider value={{selectionVariant, groupHeadingId}}>
         {title && !slots.groupHeading ? (
diff --git a/packages/react/src/ActionList/GroupHeadingTrailingAction.tsx b/packages/react/src/ActionList/GroupHeadingTrailingAction.tsx
index a9b809c7466..e8fea3bce10 100644
--- a/packages/react/src/ActionList/GroupHeadingTrailingAction.tsx
+++ b/packages/react/src/ActionList/GroupHeadingTrailingAction.tsx
@@ -4,6 +4,7 @@ import {IconButton} from '../Button'
 import type {ForwardRefComponent as PolymorphicForwardRefComponent} from '../utils/polymorphic'
 import type {SlotMarker} from '../utils/types/Slots'
 import type {ActionListTrailingActionProps} from './TrailingAction'
+import {mergeProps} from '../utils/mergeProps'
 
 /**
  * Props for `ActionList.GroupHeading.TrailingAction`.
@@ -21,17 +22,21 @@ export type ActionListGroupHeadingTrailingActionProps = Omit<ActionListTrailingA
 const GroupHeadingTrailingActionImpl = forwardRef(
   ({as = 'button', icon, label, href = null, tooltipDirection = 'w', ...props}, forwardedRef) => (
     <IconButton
-      as={as}
-      aria-label={label}
-      icon={icon}
-      variant="invisible"
-      size="small"
-      tooltipDirection={tooltipDirection}
-      href={href}
       // @ts-expect-error StyledButton wants both Anchor and Button refs
       ref={forwardedRef}
-      data-component="ActionList.GroupHeading.TrailingAction"
-      {...props}
+      {...mergeProps(
+        {
+          as,
+          'aria-label': label,
+          icon,
+          variant: 'invisible' as const,
+          size: 'small' as const,
+          tooltipDirection,
+          href,
+          'data-component': 'ActionList.GroupHeading.TrailingAction',
+        },
+        props,
+      )}
     />
   ),
 ) as PolymorphicForwardRefComponent<'button' | 'a', ActionListGroupHeadingTrailingActionProps> & {
diff --git a/packages/react/src/ActionList/Heading.tsx b/packages/react/src/ActionList/Heading.tsx
index b8dd90e305d..3bb1ec3ec26 100644
--- a/packages/react/src/ActionList/Heading.tsx
+++ b/packages/react/src/ActionList/Heading.tsx
@@ -8,6 +8,7 @@ import {invariant} from '../utils/invariant'
 import {clsx} from 'clsx'
 import classes from './Heading.module.css'
 import visuallyHiddenClasses from '../_VisuallyHidden.module.css'
+import {mergeProps} from '../utils/mergeProps'
 
 type HeadingLevels = 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6'
 type HeadingVariants = 'large' | 'medium' | 'small'
@@ -34,19 +35,27 @@ export const Heading = forwardRef(({as, size, children, visuallyHidden = false,
 
   return (
     <HeadingComponent
-      as={as}
-      variant={size}
       ref={mergedRef}
-      // use custom id if it is provided. Otherwise, use the id from the context
-      id={props.id ?? headingId}
-      // Apply the visually-hidden styles directly to the heading rather than wrapping
-      // it in a span (a heading isn't valid phrasing content inside a span).
-      className={clsx(className, classes.ActionListHeader, {
-        [visuallyHiddenClasses.InternalVisuallyHidden]: visuallyHidden,
-      })}
-      data-component="ActionList.Heading"
-      data-list-variant={listVariant}
-      {...props}
+      as={as}
+      {...mergeProps(
+        {
+          variant: size,
+          // use custom id if it is provided. Otherwise, use the id from the context
+          id: props.id ?? headingId,
+          // Apply the visually-hidden styles directly to the heading rather than wrapping
+          // it in a span (a heading isn't valid phrasing content inside a span).
+          className: clsx(
+            classes.ActionListHeader,
+            {
+              [visuallyHiddenClasses.InternalVisuallyHidden]: visuallyHidden,
+            },
+            className,
+          ),
+          'data-component': 'ActionList.Heading',
+          'data-list-variant': listVariant,
+        },
+        props,
+      )}
     >
       {children}
     </HeadingComponent>
diff --git a/packages/react/src/ActionList/Item.test.tsx b/packages/react/src/ActionList/Item.test.tsx
index 1dbfb0d453b..5a2835e7b8d 100644
--- a/packages/react/src/ActionList/Item.test.tsx
+++ b/packages/react/src/ActionList/Item.test.tsx
@@ -208,11 +208,22 @@ describe('ActionList.Item', () => {
     )
     const button = container.querySelector('button')
     expect(button).toHaveTextContent('Item 1')
+    expect(button).toHaveAttribute('type', 'button')
     // Ensure passed prop "disabled" is applied to the button
     expect(button).toHaveAttribute('aria-disabled', 'true')
     const listItems = container.querySelectorAll('li')
     expect(listItems.length).toBe(2)
   })
+  it('allows consumers to override the button type', async () => {
+    const props = {type: 'submit'} as const
+    const {container} = HTMLRender(
+      <ActionList>
+        <ActionList.Item {...props}>Item 1</ActionList.Item>
+      </ActionList>,
+    )
+
+    expect(container.querySelector('button')).toHaveAttribute('type', 'submit')
+  })
   it('should render ActionList.Item as li when item has proper aria role', async () => {
     const {container} = HTMLRender(
       <ActionList role="listbox">
diff --git a/packages/react/src/ActionList/Item.tsx b/packages/react/src/ActionList/Item.tsx
index 1606952e3e1..441f120363e 100644
--- a/packages/react/src/ActionList/Item.tsx
+++ b/packages/react/src/ActionList/Item.tsx
@@ -17,6 +17,7 @@ import {clsx} from 'clsx'
 import {fixedForwardRef} from '../utils/modern-polymorphic'
 import {Tooltip} from '../TooltipV2'
 import {TooltipContext} from '../TooltipV2/TooltipContext'
+import {mergeProps} from '../utils/mergeProps'
 
 type ActionListSubItemProps = {
   children?: React.ReactNode
@@ -50,10 +51,10 @@ export const SubItem: React.FC<ActionListSubItemProps> = ({children}) => {
 
 SubItem.displayName = 'ActionList.SubItem'
 
-const ButtonItemContainer = React.forwardRef<HTMLButtonElement, React.HTMLAttributes<HTMLButtonElement>>(
-  ({children, style, ...props}, forwardedRef) => {
+const ButtonItemContainer = React.forwardRef<HTMLButtonElement, React.ButtonHTMLAttributes<HTMLButtonElement>>(
+  ({children, ...props}, forwardedRef) => {
     return (
-      <button type="button" ref={forwardedRef as React.Ref<HTMLButtonElement>} style={style} {...props}>
+      <button ref={forwardedRef as React.Ref<HTMLButtonElement>} type="button" {...mergeProps({}, props)}>
         {children}
       </button>
     )