Monday, December 10, 2007

SVD Dragunov


Caliber: 7.62x54R
Operation: gas operated, short stroke, rotating bolt; semi-automatic
Weight: 4.31kg empty with telescope
Length: 1225 mm
Barrel Length: 620 mm
Capacity: 10 round detachable box magazine

Dragunov SVD was designed not as a "standard" sniper rifle in its Western meaning of the term. In fact, main role of the SVD in Soviet / Russian Army is to extend effective range of fire of every infantry squad up to about 600 meters and to provide special fire support. SVD is a lightweight and quite accurate (for it's class) rifle, cabable of semi-auto fire. First request for new sniper rifle was issued in 1958. In 1963 SVD (Snaiperskaya Vintovka Dragunova, or Dragunov Sniper Rifle) was accepted by Soviet Military. SVD can use any kind of standard 7.62x54R ammo, but primary round is specially developed for SVD sniper-grade cartridge with steel-core bullet. Every infantry squad in the Russian (Soviet) army had one man with SVD.
SVD rifle is extremely reliable in all conditions, and designed for heavy use. It has backup adjustable iron sights as a standard option, as well as a bayonet mount (standard AK-47 bayonet type).
Latest modernization incorporate rugged polymer stock. Also, for mounted and airborne troops a special variant was developed with folding buttsock and shortened barrel (590 mm). New flash hider/muzzle brake also installed.

It must be noted that several countries produced SVD copies or look-alikes. Of those, the "true" clones (rifles that have similar internal design) are Iraqui Al Kadesih rifle and Chinese Type 85 (in 7,62x54R) and NDM-86 (in 7,62x51 NATO). Others, such as Romanian Romak FPK or Yugoslavian Zastava M76, are only look-alikes as their internal design is different and usually based on Kalsshnikov AK assault rifle. Russia also produces a civilan version of the SVD, known as "Tigr" (Tiger), in 7,62x54R and 7,62x51 (.308 Win). This usually has shorter barrel, although it is available in several different versions. Older hunting version of the SVD, the "Medved" (Bear) is no longer produced and is quite scarce.

Dragunov SVD is gas-operated, semi-automatic rifle. It uses short-stroke gas piston, and gas chamber has a two-position manual gas regulator. Barrel is locked by rotating bolt with three lugs. Receiver is machined from steel block. The safety is somewhat reminiscent in its appearance to that of Kalashnikov AK assault rifle, although internal design of the trigger unit is different, and there's no provisions for full automatic fire. Trigger unit is assembled on a separate removable base that also incorporates a trigger guard. The second, smaller lever, located on the right side of receiver behind the safety, is a receiver cover catch, and is sued to disassemble the gun. Standard furniture includes a skeletonized wooden butt and a removable wooden handguard. Late production models may feature polymer handguards and, sometimes, polymer skeletonized butt. The short SVD-S rifle is fitted with separate pistol grip, made of plastic, and a side-folding metallic butt. All SVD rifles are fitted with adjustable open sights, as well as proprietary side rail mount, which will accept telescopic or IR sights on quick-detachable mounts. Standard telescope sight is the 4X fixed magnification PSO-1 with range-finding reticle. SVD rifles also are issued with carrying sling, cleaning kit and other accessories. A standard AK-type bayonet can be installed on the barrel.

Remington 700


Caliber: .223 Rem (5.56x45mm) and .308 Win (7.62x51mm, 7.62mm NATO)
Operation: Bolt Action, rotating bolt with 2 lugs
Weight: 4.08kg empty without telescope
Length: 1662mm
Barrel: 660mm. (other lenghts available)
Feed: 4-Round internal magazine (detachable magazine in model 700 Police DM in .308 Win)
Stock: HS Precision
Sights: variable telescopic
Max Effective Range: 800 meters
Expected Accuracy: Less than 1 MOA with M118 (Ammo is limiting factor)

Basically, Remington model 700 Police is simply re-stocked Remington model 700 VS (Varmint Synthetic). Remington manufactured its famous model 700 since 1962. This rifle is perhaps one most widely used across the USA as a bolt-action tactical rifle. This rifle traces its ancestry back to the British P14/US model 1917 Enfield. Starting with model 700BDL action, Remington adds a stainless-steel barrel and a carbon-fiber stock, then tunes the rifle for one-minute-of-angle accuracy using match grade ammo. This rifle design was (and is) a basis for many custom build tactical sniper rifles. The USMC (Marine Corps) was among the first to make model 700 action the basis for a precision sniper rifle. The original USMC M40 bolt-action sniper rifle used in Vietnam and into the late 1970s was built on a Remington Model 700BDL action. In fact, today's M40A1s are still being rebuilt on these same actions. Lather, when the US Army decided to switch from a semi-automatic to a bolt-action rifle, the Remington Model 700 action was chosen for the M24.

Technically, all model 700 rifles have carbon or satinless steel tubular receivers of greater strenght. The rotating bolt locks with two lugs that located at the front of the bolt, into recesses made in the receiver walls. The trigger is crisp. Remington not only manufactured the rifles - it also sell the actions (with or without barrels) to many manufacturers of the custom rifles. So, it is common to see Remington 700 action in HS Precision, McMillan or Choate stock with custom target barrel and other options. For another example, famous UK based company, Accuracy International, manufactured it's own tactical chassis for Rem 700 - AICS stage I or II.