ОЦ-14 "Гроза" - One of the coolest and most versatile AK variants ever designed

in #guns7 years ago (edited)

I am posting this with payout declined, and it is literally a cut and paste of the Wikipedia page. I am an avid player of the S.T.A.L.K.E.R. series of games, and this weapon is hands down the most versatile and deadly, and the game is deliciously realistic in terms of gun ballistics.

The second best weapon in the Stalker games is the Sig 555, which shoots ridiculously straight, as you would expect from a swiss weapon (standard issue in the swiss army).

However, this weapon is much smaller, faster to reload, has a faster fire rate, uses in its original configuration, a 9mm subsonic round, can be fitted with a foregrip, or silencer, or grenade launcher. It is only something like 60 centimetres long but it has the same range as a full size AKS, because the barrel goes right back to directly before the shoulder grip.

OTs-14 Groza

The OTs-14 Bullpup Rifle (ОЦ-14 "Гроза") is a Russian selective fire bullpup assault rifle chambered for the 7.62×39 round and the 9×39mm subsonic round. It was developed in the 1990s at the TsKIB SOO (Central Design and Research Bureau of Sporting and Hunting Arms) in Tula, Russia.

The weapon is colloquially known as OC-14 or OTs-14 "Bullpup Rifle" ("Thunderstorm"). The OTs-14-4A "Bullpup Rifle-4" has one derivative, the TKB-0239 (ТКБ-0239), also known as OTs-14-1A "Bullpup Rifle-1", chambered for the 7.62×39mm round.

History

Work on the OTs-14-4A project began in December 1992. The weapon's chief designers were Valery Telesh, responsible for the GP-25 and GP-30 under-barrel grenade launchers, and Yuri Lebedev.

The team set out to design an integrated and modular system that would incorporate all the best features of a close-combat long gun into a single weapon based on the AKS-74U. Prototypes were ready for testing in less than a year and the weapon was ready for production by early 1994.

It was first presented to the public at the MILIPOL Moscow trade show in April 1994 and adopted by the Ministry of Internal Affairs (MVD) shortly thereafter. The success of the OTs-14-4A in the hands of MVD personnel brought it to the attention of the Ministry of Defence (MO), who also had a requirement for such a weapon.

After a period of testing, the weapon was adopted for Spetsnaz forces and some airborne and specialist front-line combat units such as combat engineers. The weapon was originally intended to have used any one of four cartridges: 5.45×39mm, 5.56×45mm NATO, 7.62×39mm or 9×39mm.

That idea was dropped and the assault rifle was originally chambered in 9×39mm to meet the MVD's requirement for a close combat weapon for deployment in Chechnya, with a variant chambered in 7.62x39mm manufactured later.

Design details

Internally OTs-14 "Bullpup Rifle" is an exact copy of AKS-74U but in a bullpup configuration and chambered for 9x39 SP-6 subsonic ammunition. The trigger-pistol grip unit could be removed and replaced with an alternative unit integral with 40 mm grenade launcher. In that configuration, a single trigger controls with a separate barrel selector both the 40 mm grenade launcher and the rifle itself.

The safety/firing mode selector of AKS-74U pattern is retained. The barrel itself can be fitted with a specially designed quick-detachable silencer. The OTs-14's carrying handle has provisions for mounting long-range optical sights, red dot sights or night vision devices. As it was meant to replace the AKS-74U in the battalions of Spetsnaz MVD as a standard service firearm there are also variants chambered for 7.62x39mm.

The idea behind this design was to have an easily modified basic version which would be used in different combat scenarios as a carbine, assault rifle with a foregrip, silenced assault rifle with detachable silencer and assault rifle with an integrated under-barrel grenade launcher.

Operating mechanism

The OTs-14-4A is a small arms weapon system based on the 5.45×39mm AKS-74U carbine. It is a selective fire, air-cooled magazine-fed rifle with a gas-actuated piston operating system and a rotary bolt locking mechanism.

Features

The OTs-14-4A shares 75% of its components with the AKS-74U.[citation needed] The basic components of the weapon are borrowed directly from the AKS-74U assault rifle and slightly modified, simplifying the design as a whole and making the weapon considerably cheaper.

The weapon has modular design allowing for assembly of one of four weapon versions depending on the assigned mission. It is configured in a bullpup layout for increased portability and balance. The grip is displaced forward, making the assault rifle compact, suitable for concealed carrying and so well balanced that it can be fired using just one hand, like a pistol.

The weapon fires from a closed bolt and has a hammer-type firing mechanism. It has a unitary trigger; a three-position combination fire mode selector switch / manual safety on the left side of the receiver sets whether it fires either the rifle or the grenade launcher or places it in "safe".

The assault rifle is equipped with iron sights contained in the carrying handle that consist of an adjustable rear aperture sight on a tangent leaf with range graduations from 50 to 200 m, and a forward post. The grenade launcher is aimed using a folding leaf sight.

The weapon will also accept several optical sights, including the PSO telescopic sights which mount directly onto the carrying handle or, as on early models, onto a bracket on the left side of the receiver housing. The OTs-14-4A also has a night sight dovetail rail that will accept all standard night vision optics.

Accessories

It is issued in an aluminium transport case with equipment and accessories for a wide array of tactical situations.(IMAGE) Included in the case are two different grip and trigger assemblies, one for use with the modified GP-25/30 grenade launcher and another for use when the launcher is detached.

When the grenade launcher is installed, the combined rifle and grenade launcher is operated with a single trigger. A selector switch on left side of the grip near the trigger guard allows the user to select between rifle or grenade barrels. When the grenade launcher is detached, it is replaced by a vertical grip.

A suppressor is also included in the standard kit, as is a quick-change short barrel for use with the suppressor or for when maximum compactness is desired.

Variants

OTs-14-1A Bullpup Rifle-1 - Primary model chambered in 7.62×39mm M43 Soviet; it uses the same magazines as the AK-47 / AKM assault rifles. Originally an experimental chambering, it was later adopted by the Army in 1998 for use by its Airborne, Combat Engineering, and Spetsnaz troops.

It has more hitting power and range than the subsonic version and can use cheaper ammunition readily available from supplies.

OTs-14-1A-01 - Carbine Variant with a short barrel and a vertical foregrip.
OTs-14-1A-02 - Special Carbine Variant with a short barrel threaded for a suppressor.
OTs-14-1A-03 - Special Sniper Variant with a short barrel threaded for a suppressor and a telescopic sight bracket on the carrying handle / iron sights.
OTs-14-1A-04 7,62/40 - Grenade Launcher variant with a long barrel and a GP-30 under-barrel grenade launcher.
OTs-14-2A - Experimental model chambered in 5.45×39mm M74 Soviet. Not adopted due redundancy caused by preference for the better ballistic performance of the 7.62×39mm round when fired through a short barrel.
OTs-14-3A - Experimental model chambered in 5.56×45mm NATO. Neither adopted nor put into production due to a lack of interest from the domestic military or the firm's foreign customers.
OTs-14-4A Bullpup Rifle-4 - Primary model chambered in 9×39mm Subsonic; it uses the same 20-round magazines as the AS Val ("Shaft") assault rifle and VSS Vintorez ("Thread-cutter") sniper rifle. It was adopted in 1994 by the Ministry of the Interior's OMON Special Operations troops.
OTs-14-4A-01 - Carbine Variant with a short barrel and a vertical foregrip.
OTs-14-4A-02 - Special Carbine Variant with a short barrel threaded for a suppressor.
OTs-14-4A-03 - Special Sniper Variant with a short barrel threaded for a suppressor and a telescopic sight bracket on the carrying handle / iron sights.
OTs-14-4A-04 9/40 - Grenade Launcher variant with a long barrel and a GP-30 under-barrel grenade launcher.

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That's super cool. It's like intended mainly for the sub-machine gun role, but optimised for greater flexibity while having greater compatibity with the regular supply chain. I wonder if this was considered for the PDW role?

It's not quite a submachinegun - the barrel is actually the same length, with the foregrip attached, as a stardard AK, but it does shoot subsonic rounds, 9mm. The Vintorez has a range of 400m, but its barrel is somewhat longer, this one I think goes out to about 200m, so it's worth putting a fairly strong scope on it. With the suppressor on it, it's not quite as silent as vintorez/as val but still.

I wasn't aware they started making one for standard 5.45x39mm until I read that. Last I heard it had sorta faded out of production, but it hasn't.

Here's some video - you can see that actually it is very like the AS Val and VSS Vintorez in how quiet it shoots with the suppressor attached. But a lot more handy to carry. Watching the second one though, it looks like it's a bit more involved to change the magazine than the older, AS and VSS models.

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