Operation: Black Mesa is a total Source remake of Half Life: Opposing Force. Using the Source engine, the developers plan to recreate the Black Mesa research Facility as it was seen by Corporal Adrian Shephard of the H.E.C.U. Half-life: Opposing Force is still an amazing game, although it's not nearly as amazing as it was when it was released.

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M4A1 + M203
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Headshot174 Mar 23 2013 says:


+16 votes     reply to comment
Darkamo Mar 23 2013 says:

OMG ! this is amazing ! awesome work !

+17 votes     reply to comment
Velancious Mar 23 2013 says:

Looks better than some of the **** major companies are releasing. Modders really put their time into their mods.

+30 votes     reply to comment
SinisterExaggerator Mar 24 2013 replied:

To be fair to games industry thats because modders have the time

+9 votes     reply to comment
Dejected-Angel Mar 23 2013 says:


+8 votes     reply to comment
greeneyedgirl927 Mar 23 2013 says:

Is Guard Duty gonna have the same option?

+4 votes     reply to comment
theSixtyEight Mar 23 2013 replied:

yup, ofcourse

+10 votes     reply to comment
Cossack-HD Mar 23 2013 says:

Will it use the same ammo as Glock pistol does?
It was stupid to see M4 using 9x19 pistol ammo in the original game.
M4 (5.56x45) replaces MP-5 (9x19) in HD pack for HL, OF and BS.

+6 votes     reply to comment
JrComissarValvatorez Mar 23 2013 replied:

Real life 5.56 pistols are fugly as hell. Though it would be nice to see it use the same ammo as the M249,however there would be two versions of the same map.

+6 votes     reply to comment
Urby Mar 23 2013 replied:

Why is it stupid? The m4a1 can be chambered in 9mm in reality...

+4 votes     reply to comment
RedSlug Mar 23 2013 replied:

Although the 9mm M4-variant kinda look stupid and probably no military group would use an assaultrifle chambered such weak cartridges.

+5 votes     reply to comment
Urby Mar 23 2013 replied:

True. :P

+2 votes     reply to comment
Cossack-HD Mar 24 2013 replied:

That's why Earth loosed in the 7 hours war. Freaking 9x19 M4 "assault rifles" -_-

+21 votes     reply to comment
themesmith Jun 8 2013 replied:

Marines actually use the Colt SMG

+4 votes     reply to comment
cpldingo1987 Jul 16 2013 replied:

I served 4 years in the Marine Corps infantry, we never used anything smaller than the M4. Even the recon and marsoc grunts only used M4s. I have never seen any marine personnel using any form of sub machine gun. I have seen airmen, soldiers, and navy personnel use them.

Also the M4 makes just as good a CQB weapon as does the Mp5. More stopping power than the 9mm. Roughly same firing rate, and an manageable recoil. Not to mention the M4 is only seven inches longer than the mp5, making it effective at range as well.
That being said, the mp5 is a weapon used by special forces. It may have been used in Force Recon at one point, but that program within the marines has been disbanded since the 90's. I believe the new entity that has filled that role is call MARSOC(marine special operations command), and though they use a whole slew of weapons that use standard grunst don't get to play with to my knowledge they do not use the mp5 or any SMG variant for that matter.
But I don't expect civilians to get it right all the time when it comes to video games and what not. THe mp5 worked well in the original HL. I'd like to see a remake true to the original, and a remake based out of more realism...but thats just me.

+6 votes     reply to comment
theMACchine Aug 24 2013 replied:

i once saw a video of a marine in fallujah using an mp5 for some reason (2nd battle i believe) but ive also never seen seen marines using glocks, or spaz 12s, or desert eagles, but hey i agree civilians dont always get it right and marsoc does what they please as far as regs go

+1 vote     reply to comment
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Max312 Jan 18 2015 replied:

Well that doesn't really matter,considering the fact that the HECU in Half-Life 1,Opposing Force,Blue Shift,Operation: Black Mesa and Guard Duty have some type of finger-less gloves,rolled up sleeves and berets. Not to mention gas masks. I don't know what purpose any of those fulfill,particularly the gas masks. But I guess the arsenal has to make some sense.

+1 vote     reply to comment
Phenixtri Mar 25 2013 replied:

agreed this M4 would have been better off as a separate higher tier weapon for the HECU and black ops :/ Least then its ammo would be the same as the M249.

Also the M249 would make a great mini boss weapon kinda like the old cut Sargent & mini gun models from half lifes beta days.

The same goes for the HD packs Beretta 92FS it would make so much more sense if the Beretta was used by the HECU and the Glock would remain for BM security ...

The MP5 always seemed to be more of a Black Mesa weapon for their Xen exploration teams to me.

+6 votes     reply to comment
Cossack-HD Mar 29 2013 replied:

MP5 should fit Black Ops since it's a close quarter rapid firing weapon. Also MP5 is good to assault Black Mesa since the distances are not so big in the complex, so SMG is sufficent to kill scientists and security. But M4 should fit for open areas.

+5 votes     reply to comment
CuervoSp Mar 23 2013 says:

Awesome model.

+6 votes     reply to comment
Urch Mar 23 2013 says:

Holy biscuits that is impressive. Whoever made this is exceptionally talented.

+6 votes     reply to comment
Bluehawk Mar 23 2013 says:

The MP5 with grenade launcher was part of the Half-Life world. Same with the over-use of Osprey helicopters. If both models will be of the same quality, I'll stick with the MP5.

I think it's awesome you're giving players the choice though.

+10 votes     reply to comment
Psycho_2 Mar 23 2013 buried:


"I think it's awesome you're giving players the choice though."

guess you didn't read the image description.

-11 votes     reply to comment
Urby Mar 23 2013 replied:

Uhm... he read it fine. Maybe you didn't.

+9 votes     reply to comment
Warpath20 Mar 24 2013 says:

Holy **** that looks beautiful!!

+5 votes     reply to comment
Xtended Mar 24 2013 says:

Dang it , it looks amazing!

+3 votes     reply to comment
Guest Mar 24 2013 says:

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theSixtyEight Mar 24 2013 replied:

you can find answer here Steamcommunity.com
also u can vote for our mod there, it will help us

+3 votes     reply to comment
Hazza-the-Fox Mar 26 2013 says:

That's wicked!

+2 votes     reply to comment
TheSleepingObama Mar 30 2013 says:

good job guys you are great you deserve to meet gabe newell because of your beautiful work don't quit guys good luck!

+4 votes     reply to comment
Kaweebo Apr 14 2013 says:

Oh, thank god. For a minute there, I thought the M4 was the default. Don't get me wrong; it looks great, I just prefer the MP5.

+1 vote     reply to comment
CmdrPenguin May 14 2013 says:

Easy fix for this problem, just give the mp5 its own ammo, there, now if you use the M4 it wont use 9mm :P Also curious on what style of muzzle flash the m4 will have, would like to see a five or six star muzzle flash pattern, I think the four style flash is a little overused, mostly blame counterstrike for that.. That and the m4 model's flash hider has more than 4 slots in it hehe.

+2 votes     reply to comment
AmDDRed May 17 2013 says:

I'd prefer both weapon in OBM ) MP5 the same as it is now in BMS, submachine gun, killing marines of one clip. And M4A1 - as power rifle ) It would be more interesting.

+1 vote     reply to comment
CmdrPenguin May 26 2013 says:

Also meant to say that thats a very sexy m4a1

+1 vote     reply to comment
count_snipula Jun 4 2013 says:

addit addit addit addit addit addit add it

+1 vote     reply to comment
ReagleEyes Jun 28 2013 says:

Amazing detail.

+3 votes     reply to comment
redyoshi8300 Jul 8 2013 says:

That is a wonderful M4. Thanks for bringing HD Pack Content over.

Though looking back at one of your previous releases, you had an MP5+M203 plus a suppressed MP5. Any chance we may see a suppressed M4 (or some variant with SOPMOD Block 1 parts), or is that dependent on the modeler?

+1 vote     reply to comment
theSixtyEight Jul 8 2013 replied:

you wont be able to see supressed M4. We will however definitelly use supressed glock for black ops females

+1 vote     reply to comment
Guest Dec 24 2014 says:

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Weapon model that will alter the MP5 in case you prefer the HD-pack models. You will be able to choose from MP5 or M4A1 through the menu option.

Mar 23rd, 2013
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