SR-47 assault riffle
|Place of origin||United States|
|In service||6 were bought from KAC to be used with U.S Navy SEALS for a trial|
|Designer||Knight Armament Co.|
|Weight||7.7 lbs (3.52 kg)|
|Length||28½–32½ inch (724–826 mm/telescoping stock)|
|Action||direct impingement gas operated, rotating bolt|
|Muzzle velocity||2,329⅓ feet (710 m/s)|
|Feed system||30-round detachable box; compatible w/ RPK 40-round box|
The SR-47 is a modern assault rifle based on the AR-15 family of rifles created by Knight's Armament Company for USSOCOM. Unlike the majority of guns based around ArmaLite design, the SR-47 is essentially an AR-15 that fires the Soviet 7.62×39mm round from AK-47 magazines, which explains the "47" in the gun's name. The rifle was created after soldiers on long missions in Operation Enduring Freedom complained of running out of 5.56×45mm NATO ammunition for their M4 carbines but having plenty of captured AK-47 magazines. The SR-47 is basically an M4 that will accept standard AK-47 magazines rather than NATO STANAG M16/M4 mags, along with other minor modifications common to KAC's designs.
The SR-47 is an outgrowth of the Colt M4 Carbine's SOPMOD system. Originally it was going to be a drop-in series of parts (the Special Purpose Receiver - Variant or SPR-V) to convert an M4 or M16 in the field to fire 7.62×39mm ammunition. This requirement was later changed to require the weapon to accept and feed from Kalashnikov magazines. The complexity of this task made the planners rethink this approach and the idea of a complete weapon that could still use standard SOPMOD accessories was born.
After the September 11, 2001 attacks, SOCOM placed an open call for a 7.62×39mm rifle of basic M16 style design. This was known as the Special Purpose Rifle - Variant (SPR-V). Three companies submitted samples: Lewis Machine & Tool (LMT), Robinson Armament, and KAC. After a series of trials, the pack was narrowed down to the RAV-02 Robinson carbine and the KAC SR-47.
The SR-47 is based on the Knight Stoner Rifle (or SR) series. Many aspects of the rifle resemble an M16, but almost all parts are upsized slightly to handle the larger 7.62x39mm cartridge. It uses standard AK magazines and the magazine well is modified to accept standard box magazines.
Only seven rifles are known to exist. Six went to USSOCOM and one was retained in the Knight Co. museum.
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