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Overview The .458 SOCOM (11.63×40mm) is a moderately large round designed for a specialized upper receiver that can be mounted on any AR-15 pattern lower receiver. The 300-grain (19 g) round offers a supersonic muzzle velocity of 1,900 ft/s (580 m/s) and 2,40...

Overview The .408 Cheyenne Tactical designated 408 Chey Tac (10.36×77mm) is a specialized cartridge for long-range sniper rifles. The round was designed for anti-personnel, anti-sniper and anti-materiel roles with a (supersonic) precision range of 2,200 yards...

Overview The .40 Lobaev Whisper is a specialty subsonic cartridge designed specifically for the DVL-10 Saboteur rifle. It was created from .338LM casings by shortening the casing by 25mm and utilising .408 Cheytac projectiles. It is meant for covert precision...

Overview The .470 Nitro Express is a rifle cartridge developed by Joseph Lang in England for dangerous game hunting in Africa and India. This cartridge is used almost exclusively in double barrel rifles. It is in wide use in the Southern and Central-East Afri...

Overview The .22-250 Remington is a very high-velocity (capable of reaching over 4000 feet per second), short action, .22 caliber rifle cartridge. It is used for long range precision shooting and has seen use by both British and Australian SAS. The .22-250 is...

Overview 4.4x55mm AMJ Custom is an extreme long range wildcat cartridge constructed using a 12.7x55mm casing necked down to .17 HMR/4.4mm projectiles. It is capable of reaching extreme velocities but due to the limited mass of the projectiles it does not offe...

Overview The .224 Valkyrie (5.6×41 mm) cartridge is a .22 caliber (5.6 mm) rimless bottlenecked intermediate rifle cartridge, developed by Federal Premium Ammunition. .224 Valkyrie uses the same bullet diameter as 5.56×45mm NATO and a necked down larger case ...

Overview The .300 Savage cartridge is a rimless, .30 caliber rifle cartridge developed by Savage Arms in 1920. It was designed to replace the less powerful .303 Savage in their popular Savage Model 99 hammerless lever-action rifle. Despite having a short case...

Item #: SCP-9001 Object Class: Safe Special Containment Procedures: SCP-9001 is to be stored in a bookshelf that is 900mm wide x 300mm deep x 1800mm high, the bookshelf is to be located in a standard 6m x 5m room. Only personnel of security clearance 2 or hi...

Overview The .303 British is a .303-inch (7.7 mm) calibre. It was first developed in Britain as a black powder round put into service in December 1888 for the Lee–Metford rifle. In 1891 the cartridge was adapted to use smokeless powder. It was the standard Br...

                                        Mission Briefing: SCP-9001-1 Emergency Location: Site-███ Written by █████ ██████ Situation Please refer to SCP-9001 article to gain a basic understanding of what SCP-9001 is. A substantial amount of testing has b...

                                        Operation Percontor Location: Taviana, Baltic Sea Written by A.Jansen PORTIONS OF THIS DOCUMENT HAVE BEEN REDACTED FOR SECURITY REASONS. MOBILE TASK FORCE OPERATIVES OF SECURITY CLEARANCE LEVEL 4 MAY REQUEST UNREDAC...

OPERATION PHEONIX FLIGHT     TOP SECRET       War on Terror – Afghanistan Strategic Situation Terror attacks against the US has led to a swift invasion of Afghanistan, this has allowed the Foundation unprecedented access to the country, whereas prev...

Item #: SCP-12936 Object Class: Keter Neutralized Special Containment Procedures: There is no known way to contain SCP-12936 and its related objects at this current time. Mobile Task Force Eta-10 had been tasked with investigating the anomaly further and pre...

Introduction The SSRTA is the military force of Taviana, it consists of a ground force, a homeguard, a water force and an air force. The SSRTA is heavily based on cold war era Russian military structure, however it relies solely on volunteers for operations o...

Overview The .52 Auto Magnum was created in 1988 by Arcadia Machine & Tool for use in a prototype autoloading pistol. It was designed as a rimless, straight wall case cartridge loaded by taking a .510 SuperMagnum casing, converting it to be rimless and loadin...

Introduction Originally known as the ЧД АКН ("ChD AKN", or Fourth Department Abnormal Occurrences Commission), it was established in early 1935 by direct decree of J. V. Stalin, its first task being the investigation of the murder of S. M. Kirov. GRU Division...

Item #: SCP-12062 Object Class: Keter Special Containment Procedures: Containment area is to be kept behind two reverse-pressure airlocks. Chemical shower sterilization and full self-contained breathing apparatus hazmat suits are mandatory for all personnel ...

Overview The .277 FURY or 6.8×51mm SIG, is a centerfire rimless bottlenecked rifle cartridge announced by SIG Sauer in late 2019 as part of their NGSW program entry. It utilizes a hybrid three-piece cartridge case that has a steel case head, brass body and a ...