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It is very similar to its predecessor, the Mk 1 Underwater Defense Gun. In the past, Heckler & Koch has denied knowledge of its existence. [5] [1] This firearm is somewhat bulkier than its Soviet counterpart, the SPP-1 underwater pistol, but it has five barrels, as opposed to the Soviet firearm which has four. However, the SPP-1 does not need ...
7.62×51mm NATO (accurate range of 25 m (82 ft) underwater) General Purpose; Dual Core; Armor Piercing; 12.7×99mm NATO (.50 BMG, accurate range of 60 m (200 ft) underwater) Super Sniper Tactical; Dual Core; The underwater capabilities of MEA series supercavitating ammunition allow it to be used for unmanned underwater vehicle (UUV ...
Under water, ordinary-shaped bullets are inaccurate and very short-range. As a result, this pistol fires a round-based 4.5 millimetres (0.18 in) caliber steel dart about 115 millimetres (4.5 in) long, weighing 12.8 grams (0.45 oz), which has longer range and more penetrating power than speargun spears.
It was the perfect weapon for the Soviet frogmen's underwater operations, but it was less useful for Spetsnaz soldiers fighting both on land and underwater. The APS can operate on land, but its effective range does not exceed 50 metres, and the rifle's lifetime drops to 180 shots in air from 2,000 shots underwater.
Underwater rifles (4 P) Pages in category "Underwater firearms" The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes. G.
The unit used in the US is the foot sea water (fsw), based on standard gravity and a sea-water density of 64 lb/ft 3. According to the US Navy Diving Manual, one fsw equals 0.30643 msw, 0.030 643 bar , or 0.444 44 psi , [ 1 ] [ 2 ] though elsewhere it states that 33 fsw is 14.7 psi (one atmosphere), which gives one fsw equal to about 0.445 psi.
The QBS-06 is a gas-operated, rotary-bolt mechanism. [4] The QBS-06 has a capacity of 25 rounds. [1] It is chambered in 5.8×42 DBS-06 caliber, a variant of 5.8×42mm. [1]It is equipped with fixed iron sights and retractable shoulder stock, made of steel wir with the furniture made from plastic. [1]
1.5 psi Pressure increase per meter of a water column [26] 10 kPa 1.5 psi Decrease in air pressure when going from Earth sea level to 1000 m elevation [citation needed] +13 kPa +1.9 psi High air pressure for human lung, measured for trumpet player making staccato high notes [48] < +16 kPa +2.3 psi