Operation: Black Mesa

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Operation: Black Mesa (TBD)

Operation: Black Mesa is a fan remake of Half-Life’s expansions Opposing Force and Blue Shift for the Source engine. It is developed by Tripmine Studios, a different team from the developers of Black Mesa, the remake of the original Half-Life.

Both reimagined campaigns will be available within the same game. The Opposing Force remake uses the "Operation: Black Mesa" name, whereas the Blue Shift reimagining is titled Guard Duty.

The following weapons appear in the video game Operation: Black Mesa:

Handguns

Glock 17C

The Glock 17C is featured in the game.

Glock 17C (3rd Generation) - 9x19mm. This model has compensator cuts on the slide and barrel to reduce muzzle climb while firing.

Colt Anaconda

The Colt Anaconda appears in the game.

Colt Anaconda with 8" barrel and Mag-n-ports - .44 Magnum

Desert Eagle Mark XIX

The Desert Eagle Mark XIX appears with a railed frame and a LAM (Laser Aiming Module) attached to it.

IMI Desert Eagle Mark XIX - .50 AE

Shotguns

Franchi SPAS-12

The Franchi SPAS-12 returns in the game. Developers have stated that it will have an unfolded stock in the Operation: Black Mesa campaign, whereas in the Guard Duty campaign it will have a folded stock and an attached flashlight.

Franchi SPAS-12 with stock folded and butt-hook removed - 12 gauge

Automatic Weapons

Heckler & Koch MP5A5 with M203 grenade launcher

The Heckler & Koch MP5A5 appears in the game. It is fitted with a shortened M203 grenade launcher that appears to have been based off an airsoft replica.

Heckler & Koch MP5A5 - 9x19mm Parabellum

Airsoft M203 made by G&P - (fake) 40x46mm

M4A1 with M203 grenade launcher

The M4A1 is seen in pre-release footage alongside the MP5. It has a 9" barreled M203 grenade launcher attached to it, and this one appears to be modeled after a real one.

M4A1 with 9" barreled KAC-manufactured M203 (non-A1) grenade launcher - 5.56x45mm NATO / 40x46mm

FN M249 SAW

The FN M249 SAW is featured in-game.

M249 SAW with railed feed tray - 5.56x45mm NATO

Sniper Rifles

M40A1

The M40A1 appears, depicted with a detachable box magazine like in Opposing Force.

M40A1 - 7.62x51mm NATO

Explosives

Mk 2 hand grenade

The Mk 2 hand grenade makes a return in the game.

Mk 2 hand grenade

Satchel Charge

Satchel charges rigged to a remote detonator are available.

"Laser Tripmine"

The fictional laser tripmine from the Half-Life series return.