MPK Pr.122bis

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This page is about the premium Soviet sub-chaser MPK Pr.122bis. For the regular version, see MPK pr.122A.
MPK Pr.122bis
GarageImage MPK Pr.122bis.jpg
MPK Pr.122bis
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The MPK Pr.122bis is a premium gift rank II Soviet sub-chaser with a battle rating of 2.3 (AB/RB/SB). It was introduced in Update 1.87 "Locked On" as a reward for the 2019 "Battlefield Engineer" crafting event.

General info

Survivability and armour

Armourfront / side / back
Main fire tower12 / 12 / 0 mm
Hull10 mm (steel)
Superstructure8 mm (steel)
Number of section4
Displacement336 t
Crew60 people

The MPK Pr.122bis has a good armour, her most well defended zone is at the centre and her most vulnerable area is the primary weapon. The ammo magazines are not much of a problem because they are well protected.

The crew size of the boat is 60 sailors, which is consequent and makes it hard to knock out the boat just with crew depletion.


Speedforward / back
AB53 / 28 km/h
RB35 / 19 km/h

The MPK Pr. 122bis has mediocre mobility at best. The ship can nominally make 39 km/h maximum forward speed in Realistic, though the actual operating speed of the vehicle will typically be lower. The ship's turning circle and rudder shift time are all rather inadequate, meaning that the ship takes a long time to accelerate and turn. As a result, captains of the MPK Pr. 122bis must always stay alert, as the ship must take early evasive action to avoid any torpedoes or obstacles.

Mobility Characteristics
Game Mode Upgrade Status Maximum Speed (km/h) Turn Time (s) Turn Radius (m)
Forward Reverse
AB Stock ___ ___
Upgraded 53 28
RB/SB Stock ___ ___
Upgraded 35 19

Modifications and economy

Repair cost
AB747 Sl icon.png
RB2 005 Sl icon.png
Crew training4 800 Sl icon.png
Experts32 000 Sl icon.png
Aces250 Ge icon.png
Research Aces440 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 60 / 90 / 50 % Sl icon.png
Talisman.png 2 × 124 / 124 / 124 % Rp icon.png
Seakeeping Unsinkability Firepower
Mods new ship hull.png
Mods new ship rudder.png
Rudder Replacement
Mods new ship screw.png
Propeller Replacement
Mods new ship engine.png
Engine Maintenance
Mods ship damage control crew.png
Damage Control Division
Mods ship fire control crew.png
Fire Division
Mods engine smoke screen system.png
Mods new ship pumps.png
New Pumps
Mods new aa caliber turrets.png
Anti-Air Armament Targeting
Mods tank ammo.png
37 mm HE clips
Mods tank ammo.png
Mods new aux caliber turrets.png
Auxiliary Armament Targeting
Mods tank ammo.png
37 mm AP clips
Mods he frag dist fuse ship.png
Mods new main caliber turrets.png
Primary Armament Targeting
Mods ship rangefinder.png
Improved Rangefinder
Mods depth charge.png
Depth Charges
Mod arrow 0.png
Mods ship mortar.png
Bomb mortar


Primary armament

Turret85 mm/52 90-K cannon
Ammunition240 rounds
Vertical guidance-5° / 77°
Main article: 90-K (85 mm)

The primary weapon on the MPK Pr.122bis is the 85 mm 90-K cannon. A good gun in its own right that only really needs high-explosive shells to handle most of its opponents. The gun has great frontal firing arcs, reaching all the way to the ship's sides to nigh-rear, with the ±160° horizontal traverse range. However, the slow traverse speed means that the MPK Pr.122bis shouldn't expect to fight enemies coming in at all sides.

Penetration statistics
Ammunition Type of
Penetration @ 0° Angle of Attack (mm)
100 m 1,000 m 2,000 m 3,000 m 4,000 m 5,000 m
O-365K HE 11 11 11 11 11 11
O-365M HE-TF 10 10 10 10 10 10
BR-365 APHEBC 133 112 92 76 63 52
Shell details
Ammunition Type of
mass (kg)
Fuse delay
Fuse sensitivity
Explosive mass
(TNT equivalent) (g)
0% 50% 100%
O-365K HE 785 9.54 0 1 741 79° 80° 81°
O-365M HE-TF 792 9.2 0 0.1 660 79° 80° 81°
BR-365 APHEBC 792 9.2 1.2 14 164 48° 63° 71°

Secondary armament

2 х Turret37 mm/67 70-K automatic cannon
Ammunition2000 rounds
Belt capacity5 rounds
Fire rate180 shots/min
Main article: 37 mm/67 70-K (37 mm)

The secondary armament on the MPK Pr.122bis is two 37 mm 70-K automatic guns. With the two placed in the rear, they provide enough firepower to compensate the 85 mm cannon's inability to attack towards the ship's stern. Carrying a full complement of explosive shells can help take care of any boats and planes trying to attack from the ship's stern.

  • Universal: HEF-T · AP-T · HEF-T · HEF-T · AP-T
  • 37 mm HE clips: HEF-T · HEF-T · HEF-T · HEF-T · AP-T
  • 37 mm AP clips: AP-T · AP-T · AP-T · AP-T · HEF-T

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
HEF-T 3 3 3 3 3 3
AP-T 79 76 63 51 41 32
Shell details
Ammunition Velocity
mass (kg)
Fuse delay
Fuse sensitivity
Explosive mass
(TNT equivalent) (g)
0% 50% 100%
HEF-T 880 0.72 0 0.1 56.98 79° 80° 81°
AP-T 880 0.76 - - - 47° 60° 65°

Anti-aircraft armament

3 х Turret2 x 12.7 mm DShK machine gun
Ammunition4000 rounds
Belt capacity50 rounds
Fire rate600 shots/min
Main article: DShK (12.7 mm)

The tertiary armament of the MPK Pr.122bis are three turrets of dual-mounted DShK machine guns, one in the front and two in the rear. Though not as powerful as the 37 mm 70-K guns, these machine guns help supplement the firepower against approaching boats and planes.

Additional armament

Setup 112 x BB-1 depth charge
Setup 22 x BB-1 large depth charge
2 x RBM mortar
Setup 314 x BB-1 large depth charge
2 x RBM mortar

Describe the available additional armaments of the ship: depth charges, mines, torpedoes. Talk about their positions, available ammunition and launch features such as dead zones of torpedoes. If there is no additional armament, remove this section.

Usage in battles

The Pr. 122bis can be thought of and played as a heavier armed, less manoeuvrable version of the tech tree MPK pr.122A or the MPK-163. Make use of the ship's massive armament to pulverize any boats that dare get in your way.

The Pr. 122bis has lacking manoeuvrability, meaning that it isn't particularly effective at rushing to bases or charging into battle. Instead, one good strategy is to find a good piece of cover (i.e. a small island) to protect the ship's more vulnerable central section. If you just leave the ship's bow sticking out, most enemy ships won't be able to damage your main section. This leaves the powerful frontal 85 mm cannon exposed, allowing you to engage enemy ships with ease.

However, this strategy doesn't allow usage of the ship's powerful secondary and AA armament suite, which offers a second gameplay option: serving as a brawler or mid-ranged gunship. This strategy maximizes the Pr. 122bis's high crew count and powerful armament spread across the vessel. When doing so, utilize the ship's powerful 85 mm gun to engage heavier targets (such as the SC-497) and utilize the 37 mm automatic cannons to engage smaller, faster targets. The 37 mm guns are also highly effective against enemy aircraft, capable of destroying most enemy aircraft with a couple of hits at most.

When playing the MPK Pr. 122bis, always stay aware of your surroundings. The ship's lacking manoeuvrability may prevent it from dodging a torpedo if the torpedo isn't noticed early enough. As well, pay attention to enemy ships in the vicinity, particularly heavier-armed vessels such as the SF40 series anti-air ferries. These vessels typically carry numerous hard-hitting automatic guns which will quickly destroy the ship's crew.

Pros and cons


  • Powerful 85 mm main gun, capable of firing powerful HE shells with 700+ grams of explosive filler
  • Extremely potent secondary armament of 37 mm cannons and 12.7 mm machine guns, which are wonderful at destroying soft targets such as boats and aircraft
  • Large crew complement of 60 crew members, giving the ship good survivability
  • Relatively long hull meaning that crew is more spread out - this increases the ship's survivability by making it harder to knock out compartments
  • Premium bonuses allow it to speed up research of the Soviet coastal fleet tree
    • As it is a premium vessel, all modifications are unlocked by default.


  • Lacking manoeuvrability including a long rudder shift, large turning circle and inadequate top speed for a boat of its size
  • The ship's hull isn't armoured at all, meaning that the vital components can be hit very easily
  • Ammunition storages and engines all lie partially above the waterline, meaning that they can be hit and destroyed easily
  • Main gun is incapable of firing behind the ship, limiting its effectiveness in certain situations


The significantly upgraded version of the Project 122 small patrol boats designated Project 122bis MASB has been evaluated by experts as one of the most successful models in its class in the Soviet navy. This version varies from the Project 122 and 122A versions due to its new powertrain, differently-constructed cabin and enhanced anti-air weapons (aft 37 mm autocannons), as well as other improvements. The Soviet navy began employing the RGB-12 rocket-powered bomb against enemy subs in 1953. In later versions, the boats of Project 122bis had bomb launchers mounted on their forward sections for firing these rocket-powered bombs – two rail-type launchers with a constant firing arc that could be aimed horizontally by correcting the ship's course. The Soviet navy used the submarine chasers of Project 122bis until the late 60s, and they also exported them to many other countries.

- From Devblog



See also

Links to articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the ship;
  • links to approximate analogues of other nations and research trees.

External links

Red Metallist Shipyard (Красный металлист)
Submarine Chasers 
Project 122bis  MPK-163 · MPK Pr.122bis
Project 201M  MPK Pr.201M
Project 159  SKR-1

USSR sub-chasers
Pr. 122  MPK pr.122A · MPK Pr.122bis
Pr. 163  MPK-163
Pr. 201  MPK Pr.201K · MPK Pr.201M
Pr. 204  MPK Pr.204

USSR premium ships
Motor torpedo boats  G-5 (ShVAK) · Pr.123K (A-11)
Motor gun boats  TKA-106 · Pr.183 BM-21 · Ya-5M
Motor torpedo gun boats  MPK Pr.12412P
Armoured gun boats  MBK-161 early · MBK pr.186 (MK 85) · Pr.1124 MLRS · Pr.1204
Sub-chasers  MPK Pr.122bis
Frigates  Rosomacha
Destroyers  Kerch · Ryany · Leningrad · Stroyny · Smelyi · Neustrashimy · Blagorodnyy
Light cruisers  Kerch · Zheleznyakov
Battleships  Marat