Weapon Systems

OTO Melara 76 mm | Mk. 22 | Bofors 40 mm | Emerlec 30 mm | M-242 25 mm | Oerlikon KBA 25 mm | Oerlikon 20 mm | Mk. 16 20 mm | Cockerill Mk. 3 | CIS 40 mm/12.7 mm | Textron turret | M-260 | M-3P | FN Herstal HMP| Next

An OTO Melara 76 mm DP gun undergoing repairs on the left and a rear view of the mounted gun on the Jacinto class corvette right.

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USN Mk. 26 3"/50 DP Semi-automatic
Type: Shore bombardment and surface action gun (rifled)
Gun length, overall: 4.06 m (159.7")
Barrel length: 3.82 m (150.3")
Rifling length: 3.20 m (126.1")
Grooves: (24) 0.76 mm (0.03") deep
Bore diameter: 76 mm (3")
Chamber Volume: 3.56 dm³ (217 in³)
Weight of gun: 798 kg (1,760 lb)
Weight of mount: 3.1-4.3 T
Weight of shell: 6 kg (13.2 lb)
Range: [+43°, HE shell] 12 km (6.6 nm); [AA, HE shell] 9.27 km (5.76 mi)
Rate of Fire: 15-20 rpm
Elevation: -15° to +85° (manually operated)
Traverse: 360° (manually operated)
Muzzle velocity: 823 m/sec (2,700 fps)
Ammunition: HE, HC, Mk. 29 AP
Feed System: 5 round loader (200-300 round in service locker)
Working Circle: 2.44 m (8')
Gunfire Control System: Mk.52 GFCS
Rangefinder: Mk.51 GFCS
Night Gunsight: None
Platforms: Humabon-class frigate, Rizal-class corvette, Malvar-class corvette
Program:

BRP Rizal's aft mounted 3-inch gun and her crew.

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Bofors 40 mm/56 USN designation Mk. 1 and Mk. 2 (Twin/Quad mount, water-cooled) and Mk. 3 (Single mount, air-cooled)
Type: Anti-aircraft and close range gunfire support gun (rifled)
Gun length, overall: 3.78 m (148.8")
Barrel length: 2.25 m (88.6")
Rifling length: 1.93 m (75.85")
Grooves: (16) 0.6 mm x 5.59 mm (0.0236" x 0.22") deep
Bore diameter: 40 mm (1.57")
Chamber Volume: 0.464 dm³ (28.3 in³)
Weight of gun: [water-cooled] 522 kg (1,150 lb)
Weight of mount, max: [Mk. 1 Twin] 5,897 kg (13,000 lb); [Mk. 2 Quad] 10,796 kg (23,800 lb); [Mk. 3 Single] 1,905 kg (4,200 lb)
Weight of shell: 0.9 kg (1.98 lb)
Range: [max eff] 3 km (1.62 nm); [at 10°, HE shell] 6.26 km (3.89 mi); [at 25°, HE shell] 9.24 km (5.74 mi); [at 45°, HE shell] 11 km (5.9 nm); [at 10°, AP shell] 5.91 km (3.67 mi); [at 25°, AP shell] 8.19 km (5.09); [at 45°, AP shell] 9.68 km (6.02 mi); [AA] 7.16 km (3.87 nm)
Rate of Fire: 120-160 rpm
Elevation: [Mk. 1 and 2] -15° to +90° (at 24°/sec); [Mk. 3] -6° to +90°
Traverse: 360° (at 26°/sec, power train driven)
Muzzle velocity: 881 m/sec (2,890 fps)
Ammunition: HE, AP, Tracer
Feed System: 4-round clip, weighing 8.6 kg (19 lb), 2,000 rounds in stowage
Armor Penetration, AP shell on Class "B" homogenous armor: [0 m (0 yd)] 69 mm (2.7"); [1,829 m (2,000 yd)] 30 mm (1.2"); [3,658 m (4,000 yd )] 15 mm (0.6"); [5,486 m (6,000 yd)] 11 mm ((0.45")
Gunfire Control System: Mk.51 Mod 2 GFCS
Rangefinder: Optical
Night Gunsight: None
Platforms: Humabon-class frigate, Rizal-class corvette, Malvar-class corvette, Aguinaldo-class OPVs, Batillo-class PKMs, Yap-class FACs, LSTs, PMC 40 mm AAA
Program:

A PN ship mounted twin Bofors 40 mm gun, the left one mounted on BRP Rizal and the right on BRP Rajah Humabon. Thanks to Manokski and Shonen Red and the IPMS site for the pics.

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Emerson Electric 30 mm/75 USN designation Mk. 28 (gun) & Mk. 74/EX-74 (mount)
Type: Anti-aircraft and close range gunfire support chain gun, (stabilized, twin mount)
Gun length, overall:
Barrel length: 2.250 m (88.6")
Bore diameter: 30 mm (Oerlikon 30 mm/75 KCB cannon)
Chamber Volume:
Weight of gun: [unloaded] 1,905.09 kg (4,200 lb)
Weight of mount: [unloaded] 1,889 kg(4,156 lb); [loaded, below deck] 295 (650 lb)
Weight of shell: [HE] 0.42 kg (0.93 lb); [APDS] 0.30 kg (0.66 lb)
Max eff range, HE shell: 10 km (6.22 mi); [AA] 2.75 km (1.71 mi)
Rate of Fire: [cyclic] 600 rpm
Elevation: -15° to +80° (at 80°/sec)
Traverse: 360° (at 90°/sec, electrically driven)
Muzzle Velocity: [HE] 1,080 m/sec (3,543 fps); [APDS] 1,175 m/sec (3,854 fps)
Ammunition: HE, APDS
Feed System: Link-fed magazine, 985 rounds in mount
Working Circle: 2.39 m (7.83')
Gunfire Control System: Selenia Elsag NA 10 Mod.0 GFCS
Rangefinder: Orion10x Fire Control Radar
Night Gunsight:
Platforms: Kagitingan-class CICs, Batillo-class PKMs
Program:

A side view and a top view of the twin 30 mm chain gun mounted in PN PKMs. Thanks to Shonen Red and the IPMS site for the pic.

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McDonnell Douglas/ Alliant Techsystems 25 mm/87 'Bushmaster' US Army designation M-242; USN designation Mk. 38 Mod 2 MGS or Mk. 96 Mod 0 M-242 25 mm/ Mk. 19 40 mm AGL combo, Mk. 88 unstabilized mount; British mount MSI EX-39
Type: Anti-aircraft and close range gunfire support, chain gun (only Mk. 38 and Mk. 96 are stabilized)
Gun length, overall: 2.67 m (105.2")
Barrel length: 2.175 m (85.6")
Bore diameter: 25 mm (1") NATO
Chamber Volume:
Weight of gun: 110 kg (243 lb)
Weight of mount: [Mk. 88] 567 kg (1,250 lb); [Mk. 38 Mod 2 with gun, w/o ammo] 1,042 kg (2,300 lb)
Weight of shell: 0.5 kg (1.1 lb)
Range: [25 mm, max eff] 2.46 km (1.53 mi); [25 mm, max] 6.8 km (4.23 mi); [40 mm AGL, +15°, max eff] 1.63 km (1.01 mi); [40 mm AGL, +25°, max] 2.19 km (1.36 mi)
Rate of Fire: [25 mm, low-rate, full auto] 100 rpm; [25 mm, high-rate, full auto] 175-200 rpm; [40 mm AGL] 400-450 rpm
Elevation: -20° to +55°; [Mk. 38 Mod 2] -20° to +85°
Traverse: 360°
Muzzle Velocity: [25 mm] 1,100 m/sec (3,610 fps); [40 mm AGL] 244 m/sec (800 fps)
Ammunition: HEI, HEI-T, SAPHEI, SAPHEI-T, APDS, APDS-T, FAPDS-T
Feed System: [Mk. 96] Link-fed, 400 rounds 25 x 137 mm cartridge and 96 rounds for AGL;
Working Circle: 3.83 m (12.58')
Gunfire Control System: Manual of Electric; [Mk. 38 Mod 2] Toplite FCS
Rangefinder: [Mk. 96] On-mount electro-optical (real-time, color, 360°, 7,300 m range); [Mk. 38 Mod 2] Laser
Night Gunsight:
Platforms: del Pilar class frigate (Mk. 38); Jacinto-class corvette (MSI mount); Alvarez-class light corvette (Mk. 96); Andrada-class gunboats (Mk. 38 on Mk. 88 mounts); FS.100 'Simba' IFVs
Program: The Mk 38 Mod 2 MGS main weapon is the proven M242 NATO standard auto cannon and fires all USN approved 25 mm ammunition up to 180 rpm, with the Mk 38 Mod 2 providing 200 ready rounds. The Mk 38 Mod 2 incorporates the service-proven Toplite electro optical FCS to optimize engagement of enemy targets in all weather conditions day or night. Toplite FCS provides four axis gimbal stabilization and superior optics including FLIR with three fields of view, a low contrast, low light level color TV camera and an eye-safe laser rangefinder. It also provides a crew safe condition with a remote operation console located in the CIC or in other protected structures.

Two views of the Naval 25 mm chain gun mounted aboard the BRP Mariano Alvarez, the bow Mk 38 mount at the left and the aft Mk. 96 mount.

A pic of a 20 mm gun mounted aboard the PN Andrada class gunboats.

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Oerlikon (BMARC) 25mm (Type GBM-A01)/ Breda/Oerlikon KBA 25 mm/80
Type: Chain gun, (stabilized)
Gun length, overall:
Barrel length: 200 cm (79")
Bore diameter: 25 mm
Chamber Volume:
Weight of gun: [loaded] 600 kg (1,320 lb)
Weight of mount:
Weight of shell: 0.34 kg (0.16 lb)
Range: [max eff] 2 km (1.25 mi)
Rate of Fire: 570 rpm
Elevation: -15° to +50°
Muzzle Velocity: 1,100 m/sec (3,609 fps)
Ammunition: HEI-T, APDS-T
Feed System: 25 x 137 mm
Gunfire Control System:
Rangefinder:
Night Gunsight: Thermal Imaging
Platforms: AIFV
Program:

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Oerlikon/Hispano-Suiza 20 mm/70 USN designation Mk. 4 in Mk. 10 mount
Type: Anti-aircraft and close range gunfire support gun (rifled)
Gun length, overall: 2.21 m (87")
Barrel length: 1.4 m (55.1")
Rifling length: 1.25 m (49.1")
Grooves: (9) 0.38 mm x 5.207 mm (0.015" x 0.205") deep
Bore diameter: 20 mm (0.79")
Chamber Volume: 34.855 cm³ (2.127 in³)
Weight of gun: [with breech mechanism] 68.04 kg (150 lb); [without breech mechanism] 20.87 kg (46 lb)
Weight of mount: 769 kg (1,695 lb)
Weight of shell: [HE, HE-I, HE-T Mk. 7] 0.123 kg (0.27 lb); [HE-T Mk. 4] 0.117 kg (0.262 lb); [AP-T] 0.122 kg (0.260 lb)
Range: [at 10°, HE-I shell] 3.15 km (1.96 mi); [at 25°, HE shell] 4.14 km (2.57 mi); [at 45°, HE shell] 4.39 km (2.73 mi); [AA] 3.05 km (1.90 mi)
Rate of Fire: [cyclic] 450 rpm; [practical] 250-320 rpm
Elevation: -5° to +87°
Traverse: 360° (manual operation)
Muzzle Velocity: 835 m/sec (2,725 fps)
Ammunition: HE Mk. 3, HEI Mk. 3, HE-T Mk. 4, Mk. 7; AP-T Mk. 9
Feed System: Spiral magazine (link-fed) 20 x110 mm cartridge, 60-100 rounds
Gunfire Control System: Manual
Rangefinder: Optical
Night Gunsight:
Platforms: del Pilar class frigate, Humabon-class frigate, Rizal-class corvette, Malvar-class corvette, Aguinaldo-class LPCs, Batillo-class PKMs, Yap-class FACs, 1-511-class LSTs, LCUs, AT-25, YOGs, YWs, PMC 20 mm AAA
Program:

A look at the proposed Marine Corps 20 mm AAA utilizing Oerlikon 20 mm cannons. Thanks to Manokski for the pic.

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Oerlikon/Hispano-Suiza 20 mm/70 USN designation Mk. 16 20 mm in Mk. 67 mount
Type: Anti-aircraft and close range gunfire support gun
Gun length, overall: 1.97 m (77.7")
Barrel length:
Bore diameter: 20 mm (0.79")
Weight of gun: 52.6 kg (116 lb)
Weight of mount: 216 kg (475 lb)
Weight of shell: 0.13 kg (0.29 lb)
Range: [max eff] 1.83 km (1.14 mi)
Rate of Fire: [cyclic] 600-850 rpm
Elevation: -30° to +75° (manually operated)
Traverse: 360° (manually operated)
Muzzle velocity: 817 m/sec (2,680 fps)
Ammunition: M 90 series; HEI, APT
Feed System: Link-fed, 20 x 110 mm
Gunfire Control System: Optical
Rangefinder: Optical
Night Gunsight: None
Platforms: Jacinto-class corvette, Malvar-class corvette
Program:

A pic of BRP Artemio Ricarte's Mk. 16 20 mm cannon. Thanks to Shonen Red and the IPMS site for the pic.

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Textron/ CMI Cockeril Mechanical Industries SA CSE 90 Turret Mk. 3 90 mm/36 cal Gun
Type: Armored vehicle gun mount, (rifled)
Barrel length: 3.24 m (127.53")
Bore diameter: [main] 90 mm (3.54"); [co-ax] 7.62 mm
Weight: 2,086 kg (4,600 lbs)
Range:
Rate of Fire:
Elevation: -8° to +28° (at 30°/sec)
Traverse: 360° (at 30°/sec), electro mechanical with manual backup
Muzzle Velocity:
Ammunition:
Feed System: [90 mm] 42 rounds, 8 ready; [7.62 mm] Link-fed, 400 rounds, 200 rds ready
Gunfire Control System: Day
Rangefinder: Power periscope and vision blocks
Night Gunsight: 500,000 candlepower White Searchlight
Platforms: V-300 FSVs
Program: Two-man turret with ballistic protection against direct and indirect weapons fire. Two-axis stabilization; power communication, signal and video pass through slip ring; 54" (137 cm pitch diameter ring gear; turret blower ventilation; Standard accesories includes oddment box in turret, stowage space for spare coax barrel and 90 mm weapons service kit.

A view of the Cockerill Mk.3 90 mm turret mounted on the PMC's V-300 FSV units. Thanks to Opus for the pic.

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Chartered Industries of Singapore 40 mm/ 12.7 mm AGL/HMG combo Turret
Type: Armored vehicle gun mount
Gun length, overall: 1 m (3.28')
Barrel length: [with suppressor] 0.37 m (1.21');[without suppressor] 0.35 m (1.15')
Rifling length:
Grooves: 24, Right-hand twist rifling
Bore diameter: [AGL] ST Kinetics Mk.19 Mod.3 40 mm AGL; [MG] 12.7 mm
Weight: 45 kg (99 lb)
Weight of shell: [AGL] 0.34 kg (0.75 lb)
Range: [AGL, max] 2,200 m (7,216')
Rate of Fire: [AGL, cyclic] 350-550 rpm
Elevation:
Traverse:
Muzzle Velocity: [AGL] 242 m/sec (794 fps)
Ammunition: [AGL] S-411/S-413 HEDP, S-412 HE, S-415A TPT, S-416A TP
Feed System: [AGL] Belt-fed, 32 rounds
Gunfire Control System: Electric solenoid or manual trigger
Rangefinder: Power periscope and vision blocks
Other Defenses: 2 x 4 barrel Smoke dischargers (8 rds ready,8 rds stored)
Night Gunsight: White Searchlight
Platforms: V-300 APCs, M-113 APCs
Program:

A close-up view of the CIS 40mm/12.7 mm AGL combo turret mounted to the PMC's V-300 units. Thanks to Manokski for the pic.

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Textron 1-m Turret
Type: Armored vehicle gun mount
Barrel length:
Bore diameter: [main] 12.7 mm ; [coax] 7.62 mm
Weight: 975 kg (2,150 lb)
Range:
Rate of Fire:
Elevation: -8° to +55°
Traverse: 360° (at 50°/sec) (power assisted with manual operation)
Muzzle Velocity:
Ammunition:
Feed System: [12.7 mm] Link-fed, 900 rounds, 200 ready; [7.62 mm] Link-fed, 2,400 rounds, 400 ready
Gunfire Control System:
Rangefinder: Monocular sight, power periscope and 8 direct view vision blocks with spall shields
Night Gunsight: 500,000 candlepower White Searchlight
Other Defenses: 2 x 4 barrel Smoke dischargers (8 rds ready,8 rds stored)
Platforms: V-150 APCs, M-113 APCs
Program: One-man turret with ballistic protection against direct and indirect weapons fire. 12 channel communication slip ring; 1 m (36.39") pitch diameter ring gear; turret blower ventilation.

A view of the 1 meter Textron turret mounted on some of the AFP's armored vehicles. Thanks to Opus for the pic.

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M-260 7 x 70 mm 'Hydra' Lightweight Rocket Launcher
Type: Air munition, rocket pod
Barrel length:
Bore diameter: 7 x 70 mm (2.75")
Weight:
Range:
Rate of Fire: Single or ripple
Muzzle Velocity:
Ammunition: 7 x 70 mm (2.75") FFAR
Gunfire Control System: Electrical
Rangefinder: Optical
Night Gunsight: None
Platforms: MG-520
Program:

A close-up view of the M-260 FFAR pod mounted on PAF MG-520 gunships.

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M-3P 12.7 mm HMP
Type: Air munition, machine-gun pod
Barrel length:
Bore diameter: 12.7 mm (0.5")
Weight:
Range:
Rate of Fire: 1,000 rpm
Muzzle Velocity:
Feed system:
Ammunition: 250 rounds; HE
Gunfire Control System: Electrical
Rangefinder: Optical
Night Gunsight: None
Platforms: MG-520
Program:

Close-up views of the M-3P HMP mounted on PAF MG-520 gunships.

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FN Herstal HMP
Type: Air munition, machine-gun pod
Barrel length:
Bore diameter: 12.7 mm (0.5")
Weight:
Range:
Rate of Fire:
Muzzle Velocity:
Feed system:
Ammunition:
Gunfire Control System: Electrical
Rangefinder: Optical
Night Gunsight:
Platforms:
Program:

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Last modified on 9/17/13

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