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  2. Mk 12 Special Purpose Rifle - Wikipedia

    en.wikipedia.org/wiki/Mk_12_Special_Purpose_Rifle

    700 m (770 yd) Feed system. 20- or 30-round STANAG magazine [1] The United States Navy Mk 12 MOD 0/1/H Special Purpose Rifle (SPR) is a designated marksman rifle that was in service with United States Special Operations Forces in the designated marksman role until 2017, also designed to be shorter than standard weapons. [2][3] SPR initially ...

  3. Terrier Orion - Wikipedia

    en.wikipedia.org/wiki/Terrier_Orion

    The Terrier Orion system is designed to be rail launched, and can be supported at most fixed and mobile launch sites. [2] The Terrier Mk 12 Mod 1 or Mk 70 rocket used for the first stage uses an 18-inch (46 cm) diameter motor along with 2.5-or-4.8-square-foot (0.23 or 0.45 m 2) cruciform configured tail fins.

  4. Terrier Malemute - Wikipedia

    en.wikipedia.org/wiki/Terrier_Malemute

    The Terrier burns for approximately 5.2 seconds, and the Malemute burns for approximately 21.5 seconds. The first stage booster consists of a surplus Navy Terrier MK 12 Mod 1 rocket motor with four 0.22 m 2 (340 sq in) fin panels arranged in a cruciform configuration. The Terrier rocket booster has a diameter of 460 mm (18 in).

  5. 5-inch/38-caliber gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/38-caliber_gun

    5-inch/38-caliber gun. Mk 12 Gun Assembly: 3,990 lb (1,810 kg). Mounts varied from 29,260 lb (13,270 kg) to 170,653 lb (77,407 kg) The Mark 12 5"/38-caliber gun was a United States dual-purpose naval gun, but also installed in single-purpose mounts on a handful of ships. The 38- caliber barrel was a mid-length compromise between the previous ...

  6. Anti-personnel obstacle breaching system - Wikipedia

    en.wikipedia.org/wiki/Anti-Personnel_Obstacle...

    U.S. Marines demonstrate assembling the APOBS system. The anti-personnel obstacle breaching system (APOBS) is an explosive line charge system that allows safe breaching through complex antipersonnel obstacles, particularly fields of land mines. The APOBS is a joint DOD program for the U.S. Army and the United States Marine Corps.

  7. Squad Advanced Marksman Rifle - Wikipedia

    en.wikipedia.org/wiki/Squad_Advanced_Marksman_Rifle

    The issued day optic is the TS-30A2 (military designation for Leupold's Mark 4 M3 2.5-8 x 36mm MR/T Illuminated riflescope) [9] [7] mounted with ARMS #22 high rings, the same configuration used with the Mk 12 Mod 0/1 SPR, though more recent photos indicate the four-power Marine Corps Rifle Combat Optic ACOG is also used at times. The folding ...

  8. Talk:Mk 12 Special Purpose Rifle - Wikipedia

    en.wikipedia.org/wiki/Talk:Mk_12_Special_Purpose...

    The Mk 12 Mod 0 uses the PRI Gen III Freefloat tube. A Gen III Freefloat Forearm has an oversized barrel nut, that is larger in diameter than the forearm itself. This requires notches cut out in the ARMS #38 sleeve.

  9. Andrés Bonifacio-class frigate - Wikipedia

    en.wikipedia.org/wiki/Andrés_Bonifacio-class...

    The single Mk. 12 5-inch/38-caliber (127 mm) gun was Andrés Bonifacio ' s primary weapon. It was mounted in a Mark 30 Mod 0 enclosed base ring and had a range of up to 18,200 yards (16,600 m) yards. The gun was a dual-purpose type, capable of both antisurface and antiair warfare.