diff --git a/code/__DEFINES/flags.dm b/code/__DEFINES/flags.dm
index d4972d13802..ad9524414da 100644
--- a/code/__DEFINES/flags.dm
+++ b/code/__DEFINES/flags.dm
@@ -127,14 +127,15 @@
 #define SAFE	16
 
 //flags for pass_flags
-#define PASSTABLE		1
-#define PASSGLASS		2
-#define PASSGRILLE		4
-#define PASSBLOB		8
-#define PASSMOB			16
-#define LETPASSTHROW	32
-#define PASSFENCE		64
-#define PASSDOOR		128
+#define PASSTABLE		(1<<0)
+#define PASSGLASS		(1<<1)
+#define PASSGRILLE		(1<<2)
+#define PASSBLOB		(1<<3)
+#define PASSMOB			(1<<4)
+#define LETPASSTHROW	(1<<5)
+#define PASSFENCE		(1<<6)
+#define PASSDOOR		(1<<7)
+#define PASSGIRDER		(1<<8)
 
 //turf-only flags
 #define NOJAUNT		1
diff --git a/code/datums/uplink_items/uplink_nuclear.dm b/code/datums/uplink_items/uplink_nuclear.dm
index 325fb7aee9c..cbd61cfe8ac 100644
--- a/code/datums/uplink_items/uplink_nuclear.dm
+++ b/code/datums/uplink_items/uplink_nuclear.dm
@@ -294,7 +294,7 @@
 /datum/uplink_item/ammo/sniper/antimatter
 	name = "Sniper - .50 Antimatter Magazine"
 	desc = "A 6-round magazine of antimatter ammo for use with .50 sniper rifles. \
-	Able to heavily damage objects, and delimb people."
+	Able to heavily damage objects, and delimb people. Requires zooming in for accurate aiming."
 	reference = "50A"
 	item = /obj/item/ammo_box/magazine/sniper_rounds/antimatter
 	cost = 30
diff --git a/code/game/objects/structures/girders.dm b/code/game/objects/structures/girders.dm
index 716b5984bb7..faad01cd7b4 100644
--- a/code/game/objects/structures/girders.dm
+++ b/code/game/objects/structures/girders.dm
@@ -399,8 +399,10 @@
 		qdel(src)
 
 /obj/structure/girder/CanPass(atom/movable/mover, turf/target, height=0)
-	if(height==0)
-		return 1
+	if(!height)
+		return TRUE
+	if(istype(mover) && mover.checkpass(PASSGIRDER))
+		return TRUE
 	if(istype(mover) && mover.checkpass(PASSGRILLE))
 		return prob(girderpasschance)
 	else
diff --git a/code/modules/projectiles/guns/projectile/sniper.dm b/code/modules/projectiles/guns/projectile/sniper.dm
index ec1c3331d01..efb4ca3d8c0 100644
--- a/code/modules/projectiles/guns/projectile/sniper.dm
+++ b/code/modules/projectiles/guns/projectile/sniper.dm
@@ -20,6 +20,14 @@
 	slot_flags = SLOT_BACK
 	actions_types = list()
 
+/obj/item/gun/projectile/automatic/sniper_rifle/process_fire(atom/target, mob/living/user, message = TRUE, params, zone_override, bonus_spread = 0)
+	if(istype(chambered.BB, /obj/item/projectile/bullet/sniper) && !zoomed)
+		var/obj/item/projectile/bullet/sniper/S = chambered.BB
+		if(S.non_zoom_spread)
+			to_chat(user, "<span class='warning'>[src] must be zoomed in to fire this ammunition accurately!</span>")
+			bonus_spread += S.non_zoom_spread
+	return ..()
+
 /obj/item/gun/projectile/automatic/sniper_rifle/syndicate
 	name = "syndicate sniper rifle"
 	desc = "Syndicate flavoured sniper rifle, it packs quite a punch, a punch to your face."
@@ -59,10 +67,13 @@
 	weaken = 10 SECONDS
 	armour_penetration_flat = 70
 	forced_accuracy = TRUE
+	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE | PASSGIRDER
+	speed = 0.5
+	var/non_zoom_spread = 0
 
 /obj/item/ammo_box/magazine/sniper_rounds/antimatter
 	name = "sniper rounds (Antimatter)"
-	desc = "Antimatter sniper rounds, for when you really don't like something."
+	desc = "Antimatter sniper rounds, for when you really don't like something. Requires zooming in to fire accurately."
 	icon_state = "antimatter"
 	ammo_type = /obj/item/ammo_casing/antimatter
 
@@ -75,6 +86,7 @@
 /obj/item/projectile/bullet/sniper/antimatter
 	name = "antimatter bullet"
 	dismemberment = 50
+	non_zoom_spread = 60
 
 /obj/item/projectile/bullet/sniper/antimatter/on_hit(atom/target, blocked = 0, hit_zone)
 	if((blocked != 100) && (!ismob(target)))
@@ -110,8 +122,6 @@
 
 	return ..()
 
-
-
 //hemorrhage ammo
 /obj/item/ammo_box/magazine/sniper_rounds/haemorrhage
 	name = "sniper rounds (Bleed)"
@@ -159,6 +169,8 @@
 	damage = 60
 	forcedodge = -1
 	weaken = 0
+	speed = 0.75
+	pass_flags = PASSTABLE //damage glass
 
 //toy magazine
 /obj/item/ammo_box/magazine/toy/sniper_rounds
diff --git a/code/modules/surgery/organs/organ_external.dm b/code/modules/surgery/organs/organ_external.dm
index 4a5e028e7ba..f865d6faf41 100644
--- a/code/modules/surgery/organs/organ_external.dm
+++ b/code/modules/surgery/organs/organ_external.dm
@@ -552,6 +552,7 @@ Note that amputating the affected organ does in fact remove the infection from t
 				"<span class='danger'>\The [owner]'s [name] explodes[gore]!</span>",\
 				"<span class='moderate'><b>Your [name] explodes[gore]!</b></span>",\
 				"<span class='danger'>You hear the [gore_sound].</span>")
+			disembowel(limb_name)
 
 	var/mob/living/carbon/human/victim = owner //Keep a reference for post-removed().
 	// Let people make limbs become fun things when removed