Standart caliber rifles
Austria
 Steyr SSG 69
 Steyr SSG 04
 Steyr SSG 08
 Steyr Scout Tactical
 Styria Arms CSR99 new
 Unique Alpine TPG-1
Belgium
 FN 30-11
 FN Police Rifle
 FN FNAR
Brazil
 IMBEL Fz.308
Canada
 Timberwolf C14
China (People Republic of)
 QBU-88
 JS 7.62
Czech Republic
 CZ 700
Finnland
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 FR F2
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 HK PSG-1
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 Enfield L42A1 & Enforcer
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Israel
 Galil sniper
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 Beretta sniper
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 "Alex" / "Bor"
Turkey
 MKEK JNG-90 "Bora"
USA
 Barret 98B
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 M21
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 M24
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 SR-25, Mk.11 mod.0, XM110
 Savage 10FP & 110FP
 RAI / RAP model 300
 FN SPR
 CheyTac Intervention
 Kel-tec RFB
 VR1 PSR
 FN FNAR
USSR / Russia
 Dragunov SVD
 SVU and SVU-A
 VSS
 SV-98
 SV-99
 VSK-94
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 MTs-116M
Switzerland
 SIG SG550 Sniper
 Sig-Sauer SSG 2000
 Sig-Sauer SSG 3000
 SIG STR/SHR 970
 B+T APR 308
 B+T APR 338
Yugoslavia
 Zastava M76

all texts and some pictures
copyright © 1999-2009
by Max R. Popenker
and can not be used without author permission

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CheyTac Long Range Rifle System  - Intervention sniper rifle (USA)

CheyTac LRRS, including Intervention M200 rifle with scope, .408 CheyTac ammunition, and tactical ballistic computer

Close-up view on the receiver and controls of the CheyTac Intervention M200 rifle. Note large carrying handle under the barrel sleeve, and the scope fitted with IR night vision module and IR laser.

CheyTac Intervention M200 rifle in the carrying case

CheyTac Intervention M310 single shot Target / Law Enforcement rifle

.408 CheyTac cartridge (middle) compared to .50BMG (left) and .338Lapua (right)

Caliber: .408 CheyTac
Operation: manually operated rotating bolt action
Barrel: 762 mm (30")
Weight: 12.3 kg
Length: 1400 mm (stock retracted), 1220 mm (stock collapsed)
Feed Mechanism: 5 rounds detachable box magazine

The entire idea behind the CheyTac LRRS (Long Range Rifle System) is to provide long range soft target interdiction (read: anti-personnel sniper) rifle package, with maximum effective range, but relatively compact and light. To achieve this goal, the professor John D. Taylor designed the .408 CheyTac cartridge. Being mid-way in size between the mighty .50BMG and already established long-range favorite .338Lapua, the .408 features a streamlined bullet with advanced patented design. This design allows the standard 419 grain (27.15 gram) bullet to retain its supersonic velocity at the ranges beyond 2000 meters (2200 yards). At the ranges beyond 700 meters the .408 bullet has more energy than the standard .50BMG ball bullet. The .408 cartridge also is lighter than .50BMG cartridge by about 1/3, and generates less recoil. 

The original CheyTac Intervention M100 rifle is based on the Windrunner .50 caliber takedown rifle from EDM Arms. Current Intervention M200 sniper rifles still are based on Windrunner design, but with several modifications. The Long Range Rifle System also includes CheyTac tactical computer (commercial PDA with CheyTac ballistic software), Nightforce NXS 5.5-22X scope, and Kestrel 4000 wind/temperature/atmospheric pressure sensors, linked to the PDA. The Tactical Computer with sensors and internal ballistic database provides all necessary data for long range fire. CheyTac papers state that the entire System is capable to deliver sub-MOA accuracy at the ranges of up to 2500 yards (2270 meters).

The Intervention M200 is a manually operated, rotating bolt rifle. The retractable buttstock allows for adjustment of the length of pull, and can be fully collapsed for storage and transportation. The barrel can be quickly removed for replacement, or storage and transportation. The butt contains integral real monopod, which is hinged, and can be folded up when not in use. The heavy, fluted barrel is free floated, and its rear part is enclosed by tubular shroud, which serves as a mount for integral folding bipod and carrying handle. Barrel is provided with effective muzzle brake, which can be replaced with OPSINC suppressor (silencer). M200 rifle is fed using detachable single stack magazines, which hold 5 rounds. Top of receiver is fitted with permanent MilStd Picatinny rail. Standard scope is Nightforce NXS 5.5-22X, which can be upgraded with AN/PVS-14 Night Vision module and AN/PEQ-2 IR laser. No iron sights are provided with M200 rifle.

CheyTac Associates also offers a less expensive, non-takedown single shot rifle in .408 caliber, the Intervention M310. This bolt action rifle with adjustable polymer stock is suitable for long range sport shooting, as well as for police long range snipers.

data source: CheyTac Associates Technical White Papers, 2001-2003, and CheyTac promotional literature .

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