diff --git a/src/game/game_097ba0.c b/src/game/game_097ba0.c
index cc5e1984a..da2201e0c 100644
--- a/src/game/game_097ba0.c
+++ b/src/game/game_097ba0.c
@@ -12140,34 +12140,15 @@ s32 getCurrentPlayerWeaponIdWrapper(s32 handnum)
 	return getCurrentPlayerWeaponId(handnum);
 }
 
-GLOBAL_ASM(
-glabel func0f0a1a10
-/*  f0a1a10:	27bdffe8 */ 	addiu	$sp,$sp,-24
-/*  f0a1a14:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*  f0a1a18:	afa40018 */ 	sw	$a0,0x18($sp)
-/*  f0a1a1c:	0fc2c5f0 */ 	jal	weaponHasFlag
-/*  f0a1a20:	24050400 */ 	addiu	$a1,$zero,0x400
-/*  f0a1a24:	1040000b */ 	beqz	$v0,.L0f0a1a54
-/*  f0a1a28:	8fa40018 */ 	lw	$a0,0x18($sp)
-/*  f0a1a2c:	0fc2a685 */ 	jal	weaponGetAmmoType
-/*  f0a1a30:	00002825 */ 	or	$a1,$zero,$zero
-/*  f0a1a34:	10400005 */ 	beqz	$v0,.L0f0a1a4c
-/*  f0a1a38:	8fa40018 */ 	lw	$a0,0x18($sp)
-/*  f0a1a3c:	0fc2a69d */ 	jal	currentPlayerGetAmmoQuantityForWeapon
-/*  f0a1a40:	00002825 */ 	or	$a1,$zero,$zero
-/*  f0a1a44:	58400004 */ 	blezl	$v0,.L0f0a1a58
-/*  f0a1a48:	00001025 */ 	or	$v0,$zero,$zero
-.L0f0a1a4c:
-/*  f0a1a4c:	10000002 */ 	b	.L0f0a1a58
-/*  f0a1a50:	24020001 */ 	addiu	$v0,$zero,0x1
-.L0f0a1a54:
-/*  f0a1a54:	00001025 */ 	or	$v0,$zero,$zero
-.L0f0a1a58:
-/*  f0a1a58:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*  f0a1a5c:	27bd0018 */ 	addiu	$sp,$sp,0x18
-/*  f0a1a60:	03e00008 */ 	jr	$ra
-/*  f0a1a64:	00000000 */ 	nop
-);
+bool func0f0a1a10(s32 weaponnum)
+{
+	if (weaponHasFlag(weaponnum, WEAPONFLAG_00000400)
+			&& (weaponGetAmmoType(weaponnum, FUNC_PRIMARY) == 0 || currentPlayerGetAmmoQuantityForWeapon(weaponnum, FUNC_PRIMARY) > 0)) {
+		return true;
+	}
+
+	return false;
+}
 
 GLOBAL_ASM(
 glabel func0f0a1a68
@@ -21294,7 +21275,7 @@ u32 weaponGetAmmoType(u32 weaponnum, u32 func)
 	return weapon->ammos[func]->type;
 }
 
-u32 currentPlayerGetAmmoQuantityForWeapon(u32 weaponnum, u32 func)
+s32 currentPlayerGetAmmoQuantityForWeapon(u32 weaponnum, u32 func)
 {
 	struct weapon *weapon = weaponFindById(weaponnum);
 
diff --git a/src/include/constants.h b/src/include/constants.h
index 464818ffd..6179e22a2 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -3019,6 +3019,7 @@
 
 #define WEAPONFLAG_ONEHANDED         0x00000008 // Makes guards carry the gun with one hand
 #define WEAPONFLAG_00000010          0x00000010
+#define WEAPONFLAG_00000400          0x00000400
 #define WEAPONFLAG_TRACKTIMEUSED     0x00000200 // Allow tracking how long gun is used, for weapon of choice
 #define WEAPONFLAG_DUALWIELD         0x00001000 // Allow dual wielding
 #define WEAPONFLAG_HIDEMENUMODEL     0x00040000 // Don't display the rotating model in the inventory menu
diff --git a/src/include/game/game_097ba0.h b/src/include/game/game_097ba0.h
index adf379ca7..85498c37f 100644
--- a/src/include/game/game_097ba0.h
+++ b/src/include/game/game_097ba0.h
@@ -90,7 +90,7 @@ u32 func0f0a134c(void);
 u32 func0f0a1528(void);
 void currentPlayerEquipWeapon(s32 weaponnum);
 s32 getCurrentPlayerWeaponId(s32 handnum);
-u32 func0f0a1a10(void);
+bool func0f0a1a10(s32 weaponnum);
 u32 func0f0a1a68(void);
 u32 func0f0a1ab0(void);
 void func0f0a1b50(void);
@@ -158,7 +158,7 @@ s32 ammotypeGetMaxCapacity(u32 ammotype);
 bool ammotypeAllowsUnlimitedAmmo(u32 ammotype);
 void currentPlayerGiveUnlimitedAmmo(bool force);
 u32 weaponGetAmmoType(u32 weaponnum, u32 func);
-u32 currentPlayerGetAmmoQuantityForWeapon(u32 weaponnum, u32 func);
+s32 currentPlayerGetAmmoQuantityForWeapon(u32 weaponnum, u32 func);
 void currentPlayerGiveAmmoForWeapon(u32 weaponnum, u32 func, u32 quantity);
 u32 func0f0a9b10(void);
 u32 func0f0a9b68(void);