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Welcome to my blog. The contents of my Blog, it is about weapons

Senin, 03 Oktober 2011

Franchi SPAS-15

SPAS15.jpg
The SPAS-15 is a dual-mode 12 gauge combat shotgun manufactured by the Italian company Luigi Franchi S.p.A..The weapon is based on the SPAS-12, and has similar pump-action/semi-automatic firing modes. In semi-automatic mode a gas piston drives a bolt carrier and rotating bolt. In pump-action mode the same components are driven by sliding the fore-end backwards. Pump-action mode is required to reliably fire low-pressure (less lethal) ammunition such as tear gas rounds or less-lethal bean bags. Switching between firing modes is done by pressing a button above the foregrip, and sliding the foregrip slightly forwards or backwards. The barrel is chrome lined and features screw-in choke tubes.[2]
Unlike its predecessor, the SPAS-15 is fed by a detachable box magazine. The gun features a folding stock and a pistol grip safety.

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(Sources from Wikipedia)


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CheyTac LLC Intervention

CheyTacIntervention.jpg
The CheyTac Intervention is an American bolt action sniper rifle manufactured by CheyTac LLC for long range soft target interdiction. It is fed by a detachable single stack magazine, which holds 7 rounds. It fires .408 CheyTac or .375 CheyTac ammunition. CheyTac papers state that the entire system is capable of delivering sub-MOA accuracy at ranges of up to 2,500 yards (2,300 m), one of the longest ranges of all modern-day sniper rifles. It is based on the EDM Arms Windrunner.
CheyTac L.L.C researched the optimum cartridge case, bullet and barrel configuration for very long range use. For this the .408 Chey Taccartridge was developed that fires very-low-drag mono metal bullets that were specially designed for the Long Range Rifle System by the now (2010) defunct company, Lost River Ballistic Technologies.
Lost River Ballistic Technologies inventor, Mr. Warren Jensen, stated that "the .408 Chey Tac was the first bullet/rifle system that utilizes a balanced flight projectile. To achieve balanced flight the linear drag has to be balanced with the rotational drag to keep the very fine nose (meplat) of the bullet pointed directly into the oncoming air. It should result in very little precession and yaw at extreme range and allows accurate flight back through the transonic region. This is hard to achieve for small arms projectiles. Mathematically you are at a great disadvantage trying to achieve balanced flight with a lead core non mono metal bullet. The rotational mass/surface area ratio is too high."
The balanced flight projectile patent can be found at the US Patent Office, Controlled spin projectile, US PAT No. 6,629,669. According to the patent, a projectile engraved and launched according to the specifications of the patented invention should decelerate from supersonic flight through transonic to subsonic in a stable and predictable manner effective to a range beyond 3,000 yards (2,743 m). It implies that, amongst several other preconditions, the rifle barrel has to have specific rifling dimensions to achieve a desired amount of axial air drag on the bullet's surface, which reduces the bullet's spinrate to achieve balanced flight.
To achieve balanced flight the rifling twist rate for the .408 CheyTac chambering was chosen at 330.2 mm (1 in 13 in), with eight 0.4080 in diameter grooves, 0.4010 in diameter bore and a 0.050" land width, square cut, with no taper. The later .375 CheyTac round, developed from the .408 CheyTac, uses a 292 mm (1:11.5 in) rifling twist rate.
(Sources from Wikipedia)

Rabu, 28 September 2011

Pindad SS2 Para Sniper

Pindad SS2-V1.jpg
The SS2 (short for IndonesianSenapan Serbu 2, "Assault Rifle 2") is an updated version of the Pindad SS1 created by PT Pindad, under license from Fabrique Nationale.[2] It had been seen during the ASEAN Army Rifles contest by foreign media in 2006[3] aside from exposure by localIndonesian media.
Bangladesh has shown interest in the SS2 rifles to possibly replace their stock of AK and SKS rifles in the Bangladeshi military with no results.[4]
The SS2 has been first ordered by the Indonesian military back in 2002[5] and in 2003.[5] It had then been announced that the rifle was launched in 2005.[6] 150 SS2-V4s were purchased in 2007.[7] A SS2 with a solid stock, known as the SS2-V3 would have been produced by Pindad, but was rejected.[4]
(Sources from Wikipedia)

Pindad SS1-V1 Carbine

SS1-V1.jpg
The SS1 (short for IndonesianSenapan Serbu 1, "Assault Rifle 1")[1] is the standard assault rifle of the Indonesian armed forces. It is based on the FN FNC rifle but modified in order to meet ergonomic and tropical environment needs.[2][3] The SS1 is manufactured by PT PindadBandung,Indonesia under the license from Fabrique Nationale, Belgium.[1][3]
The assault rifles are gas-operated automatic carbines with a foldable butt and are designed to meet the NATO standard. SS1 weapons are high performance light individual weapons that have been used by the Indonesian armed forces, including the Army, Navy, and Air Force, as well as police. It was adopted into Indonesian service in 1991.[4]
It is currently being phased out and replaced by the Pindad SS2.[5]
(Sources from Wikipedia)

Selasa, 16 Agustus 2011

AI L115A1

G22 ohne Schalldaempfer.jpg
The AWM (Arctic Warfare Magnum) is a sniper rifle manufactured by Accuracy International. It is also known as the AWSM (Arctic Warfare Super Magnum), which typically denotes the .338 Lapua Magnum version.

The AWM rifle is a variant of the British Accuracy International Arctic Warfare (AW). Compared to the AW, the AWM has a longer bolt to accommodate larger magnum-length cartridges such as the .300 Norma Magnum and the .338 Lapua Magnum.
The AWM features a detachable box magazine which holds five rounds. The normal cartridges for this rifle, and the ones which have been accepted by NATO for use in AWM rifles, are .300 Winchester Magnum and .338 Lapua Magnum.
Muzzle brakes are fitted to reduce recoil, jump and flash and act as a base for optional iron sights and suppressors.
Normally, the AWMs are outfitted with a Schmidt & Bender PM II 10x42/MILITARY MK II 10x42 telescopic sight with 10x fixed power of magnification. However, a Schmidt & Bender PM II/MILITARY MK II with variable magnification of either 3-12x50, 4-16x50 or 5-25x56 can be used if the operator wants more flexibility to shoot at varying ranges, or when a wide field of view is required. Accuracy International actively promotes fitting the German made Schmidt & Bender PM II/MILITARY MK II product line as sighting components on their rifles, which is rare for a rifle manufacturer. The German and Russian Army preferred a telescopic sight made by Zeiss[1] over Accuracy International's preference.
The AWM rifle is normally supplied in a metal transit case together with scope, mount, butt spacers, bipod, spare magazines, sling, cleaning and tool kits.
(Sources from Wikipedia)

Selasa, 09 Agustus 2011

History of Accuracy International

Accuracy International.svg
Accuracy International is a specialist British firearms manufacturer based in Portsmouth,HampshireEngland and best known for producing the Accuracy International Arctic Warfareseries of precision sniper rifles. The company was established in 1978 by British Olympicshooting gold medallist Malcolm CooperMBE (1947–2001), Sarah Cooper, Martin Kay, and the designers of the weapons, Dave Walls and Dave Caig. All were highly skilled international or national target shooters. Accuracy International's high-accuracy sniper rifles are in use with many military units and police departments around the world.
Accuracy International went into liquidation in 2005, and was bought by a British consortium which has resulted in the original design team now being back in control of the company.
The company is currently (2009) equally owned by two directors, Dave Walls and Tom Irwin along with Paul Bagshaw. Dave Caig remains in the business as a consultant.[1]
The Accuracy International rifle system has gained success, due in part to the design considerations put into the overall rifle. The rifles are hand-built. The AWSM (Arctic Warfare Super Magnum) set the record for the longest confirmed combat kill.
The rifle stock design is designed for good ergonomics. The comfort in holding the rifle and the reduced recoil aids accuracy.
The barrel is interchangeable with other calibres; this can be done in the field in about 15 minutes. With the barrel clamped in a barrel vice, the barrel is removed from the action, and another one screwed into the action and tightened in place with a torque wrench.
The inherent accuracy of the rifle is due to the action being bolted with four screws and permanently bonded with epoxy material to an aluminium frame to which all major rifle components are attached. As it keeps the action from moving away from zero, the accuracy of the rifle is very high. Adding a folding stock handle, this sniper rifle can be used for both HALOinsertions and walking deployments of sniper forces.
Accuracy International introduced their new AS50 .50 BMG calibre semi-automatic rifle at the 2005 SHOT Show in Las Vegas.
The UK government announced in March 2008 the award of an £11 million contract to produce rifles for the British Army.[2]
(Sources from Wikipedia)

AUG A1 A2 A3

1.AUG A1                                       2.AUG A2                                       3.AUG A3

The AUG is an Austrian bullpup 5.56mm assault rifle, designed in the early 1970s bySteyr Mannlicher GmbH & Co KG (formerly Steyr-Daimler-Puch). The AUG (Armee Universal Gewehr—"universal army rifle") was adopted by the Austrian Army as theStG 77 (Sturmgewehr 77) in 1977,[3] where it replaced the 7.62mm StG 58 automatic rifle (a license-built FN FAL).[4] In production since 1978, it is the standard small arm of the Austrian Bundesheer and various national police units.
The rifle has also been adopted by the armed forces of ArgentinaAustralia ( - accepted into service in 1985 and manufactured by Australian Defence Industries inLithgow, the F88 Austeyr model is also in use by New Zealand), BoliviaEcuador(since 1988), Republic of IrelandLuxembourgSaudi ArabiaTunisia (introduced in 1978), Pakistan, and (since 1988) U.S. Customs Service (now the U.S. Immigration and Customs Enforcement agency).

The AUG, a bullpup 5.56mm assault rifle, is a selective fire weapon with a conventional gas piston operated action that fires from a closed bolt.[5] Designed as a family of rifles that could be quickly adapted to a wide variety of roles with the change of the barrel to a desired length and profile, the AUG is a modular configuration rifle that employs a high level of polymer and advanced alloy components.
The primary variant of the rifle, designated the AUG A1, consists of six main assemblies: the barrelreceiver with integrated telescopic sight, bolt and carrier,trigger mechanism, stock and magazine.[5]
The AUG uses the 5.56x45mm NATO cartridge and the standard 1:9 rifling twist will stabilize both SS109/M855 and M193 bullets. Some nations including Australia andNew Zealand use a version with a 1:7 twist optimised for the SS109 NATO round.
(Sources from Wikipedia)