This page just shows different variation of pulse rifle grenades. Some are seen in the film, (very briefly) other are made from written material and alien related technical web sites.There do seem to be slightly different version of these, depending where you look, but these just struck me as looking the best versions to make.
M40: High Explosive Grenade.
 
This is the one most people recognise, as its used and seen quite a lot in the film Aliens.
 
The high explosive grenade is a self-arming projectile, which after hitting a target or travelling 45 feet detonates, casuing a 15 foot kill zone. The impact fuse can also be set and used as a hand thrown grenade.
M51A: High Explosive Air Bursting.
 
This one is featured very briefly in the film, when Pvt Frost first detects Newt on the motion tracker and they go looking for her. He has these and the M40 on both sides of his tac-vest.
 
This grenade contains a fused centre section with a fragmenting warhead at each end. On impact the ejection fuse fires, propelling the grenade 6 feet into the air, where it explodes showering fragments in a 15 foot, 360 degree radius. Can also be set and thrown manually.
M38: High Explosive Dual Purpose
 
This one is also featured very briefly in the film, when they are in the command bunker, discussing ways of fortify it, Newt goes to pick one up off the table, and Hicks tells her not to as itís dangerous.
 
This grenade contains a shaped charge encased in a pre-scored liner. On impact the shaped charge explodes focusing the blast forwards, and is capable of penetrating 6 inches of armour plate. A second charge then detonates inside the penetrated target killing those inside or destroying it.
M108: Canister 'Buckshot'
 
This one is not featured in the film, but is shown in aliens related technical manuals and various alien related web sites.
 
This grenade is a short range anti-personnel device with a 100 foot maximum range. It contains a scored plastic liner filled with metal shot. On firing the plastic liner is propelled forwards where it splits open sending its contents onwards in a cone shaped pattern.
M230: Baton ĎNone lethal crowd controlí
 
Again not shown in the film but listed in alien related books and web sites. I think this one expands the role of the USCM from just a grunt, to a multi role soldier, used not only for combat, but passive duties as well.
 
A primarily none lethal projectile use in urban crowd control. It is composed of a soft rubber nose mounted on a rigid plastic body, and used to incapacitate, although can be lethal if fired at point blank range into the head or abdomen.
M46 High Explosive Incendiary
 
This is not shown on any web site or written material; itís my contribution to the Pulse Rifle Grenade arsenal. Of all the grenades listed a HEI version was missing. Being such a widely used all purpose round in the real world, just seemed something the USCM would use.
 
The HEI grenade is specially designed to pierce lightly armored units, fragment, and ignite combustible material inside. The primary roll is to either ignite the occupants of the unit, or quickly deplete the oxygen suffocating said occupants or forcing them out.
M36A CN20 Nerve Gas

This one is not featured in the film, or books itís a custom made grenade dedicated to Vasquez, as she suggested rolling in couple of canisters of CN20 nerve gas to kill off the aliens.  We thought it would be good to have a grenade version, just in case .

The principle behind this grenade is the main black caplet is fired towards the enemy, and when it lands or hits something the red button in the nose is depressed and the gas is released through the ring of holes round the base.
M72A1 Starshell
 
This one is not featured in the film, but is shown in aliens related technical manuals and various alien related web sites.
 
This grenade is designed to be fired upwards to a maximum height of 600 feet. It contains a 5 second fuse which then ejects a parachute and ignites at the same time a magnesium flare. It slowly drifts back down producing enough light to illuminate the battlefield for 45 seconds. End cap denotes flare colour and is available in white, yellow, red and green.

M76R Rocker Propelled Grenade


This one is not featured in the film, or books itís a custom made Rocket Propelled Grenade version. I have a chum who reckoned no USCM would be complete without a version of this modern day weapon.


The green rocket part fires off and is propelled forwards far further than the normal grenade can travel, by a small solid fuel engine in the rear half. On clearing the barrel the fins would open to aid stability on its way to either a ground based or airborne target.  On impact the nose cone would deform setting off the HE charge.

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M60 White Phosphorous

 

This one is not featured in the film, but is shown in aliens related technical manuals and various alien related web sites.


This grenade contains white phosphorus filler with impact detonating fuse. On impact it releases a cloud of WP particles which ignite on contact with air, and burn for up to 5 minutes producing a dense cloud of white smoke. WP particles burn hot enough to ignite any flammable materials and on contact with flesh cauterize the wound. If surgically removed once re-exposed to air will reignite and explode from the wound.

M67A Anti-Riot Crowd Dispersal

 

This one is not featured in the film, but is shown in aliens related technical manuals and various alien related web sites.


Filled with CS gas, a non-corrosive, non-persistent irritant. It is designed to incapacitate groups of unprotected targets, and with prolonged exposure causes respiratory seizure. The gas is aerosol dispersed and produces a cloud approximately 30 metres across.  Effects from the gas can last for up to 15 minutes

M115 Napalm

 

This one is not featured in the film, or books itís a custom made version.  I have a bandoleer that holds 12 grenades, so this is the last to be made.  Why, I just love the smell of napalm in the morning.
 

This grenade fires the entire red section off.  Halfway through its flight, itís designed to start to tumble end over end so it smashes on impact.  The contents then splatter in a forward facing cone, and itís ignited by the white phosphorous charge at the base.  Effective against hard or soft targets.

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